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Prof. Dr. Dres.h.c. Hans-Jürgen Zimmermann


Emeritus
    • RWTH Aachen University
    • Chair of Operations Research
    • Kackertstraße 7
    • 52072 Aachen
    •  
  • Email: zi(at)or.rwth-aachen.de
  • Phone: +49 241 80 96182
  • Fax: +49 241 80 92369
    • Office: B245
    • Office hours: by appointment


Books

  • Mathematische Entscheidungsforschung und ihre Anwendung auf die Produktionspolitik (Operations Research and its Application in Production Management), W. de Gruyter, Berlin 1962.
  • German Edition of: MCD-Master Clerical Data, Measurement and Control of Office Costs, by Birn, Crossan, Eastwood, Berlin 1964
  • German Edition of: Finite Mathematics (by Kemeny-Schleifer-Shell-Thompson), Berlin 1966
  • Lineares Programmieren (Linear Programming, A Programmed Textbook), Berlin 1970 (with Zielinski)
  • Netzplantechnik (Critical Path Methods and Stochastic Networks), Berlin 1970
  • Einführung in die Grundlagen des Operations Research (Introduction to Operations Research), Verlag Moderne Industrie, München 1971.
  • Operations Research im Bauwesen (Operations Research in Civil Engineering),(with W. Jurecka), Springer Verlag 1972.
  • Quantitative Models in Production Management (with M. Sovereign), Prentice Hall, Englewood Cliffs 1974.
  • Entscheidungshilfen im Marketing (Decision Aids in Marketing), Poeschel-Verlag, 1977, (with Köhler eds.).
  • Fuzzy Set Theory - and its Applications, Kluwer-Nijhoff, Boston 1985.
  • Fuzzy Sets and Decision Analysis, (edt. with L. Zadeh and B. Gaines), North Holland, Amsterdam, New York 1984).
  • Empirical Research on Organisational Decision Making, (ed. together with E. Witte), North Holland 1986.
  • Fuzzy Set Theory and Applications, (edt. together with A. Jones and A. Kaufmann), D. Reidel Publ. Company, Dordrecht, Boston, Lancaster 1986.
  • Fuzzy Sets, Decision Making and Expert Systems, Kluwer-Nijhoff, Boston 1987.
  • Operations Research - Methoden und Modelle (Operations Research - Methods and Models), Vieweg Verlag, 1987.
  • Progress in Fuzzy Sets and Systems (edt. together with Janko, Roubens), Kluwer Academic Publ., Dordrecht 1990.
  • Fuzzy Set Theory - and its Applications (2nd revised ed.), Kluwer Academic Publishers, Boston, Dordrecht, London 1991.
  • Multi-Criteria Analyse - Einführung in die Theorie der Entscheidungen bei Mehrfachzielsetzungen (with L. Gutsche), Springer-Verlag Berlin Heidelberg 1991.
  • Fuzzy Systems and Signals. - Volume 4 - Proceedings of the 4th Fuzzy Systems and Signals, AMSE International Symposium Warsaw, July 15-17. 1991. (with H.-N. Teodorescu). 1991 AMSE Press, France.
  • Operations Research - Methoden und Modelle, Vieweg Verlag, (2nd rev. edition) Wiesbaden 1992.
  • Trends in Fuzzy Systems and Signals (Hrsg. with Teodorescu, H.-H.), AMSE Monographs Series A, Vol. 5, 1992
  • Fuzzy Technologien, Prinzipien, Werkzeuge, Potentiale, (with J. Angstenberger, K. Lieven, R. Weber), VDI Verlag 1993
  • Fuzzy Logic. Anwendungen. Band 2, (with C. v. Altrock), Oldenbourg Verlag München Wien 1994
  • Datenanalyse (ed.), VDI Verlag 1995
  • Neuro + Fuzzy (ed.), VDI Verlag 1995
  • Fuzzy Set Theory and its Application,3rd rev.edition,Kluwer Academic Publishers,Bonston,Dodrecht,London, 1996
  • Real World Applications of Intelligent Technologies (edtr., with M.G.Negoita and D.Dascalu), Editura Academiei Romane, Bucharest 1996
  • Soft Computing in Financial Engineering (with R. A. Ribeiro, R. R. Yager and J. Kacprzyk (edtrs.)),Physica-Verlag,Heidelberg,1999
  • Applications of Fuzzy Sets (Edtr.), Volume 8 of the Handbook of Fuzzy Sets Series, Kluwer, Boston 1999
  • Fuzzy Algorithms for Control (with R. Babuska, H. Verbruggen) Kluwer Acad.-Publ., Boston 1999
  • Fuzzy Sets and Operations Research for Decision Support. Beijing NOrmal University Press 2000. ISBN 7-303-05172-4
  • Practical Applications of Fuzzy technologies, Kluwer Acad. Publishers, Boston 1999
  • Intelligent Systems and Interfaces (with Teedoresen, Mlykek, Kandel) Boston 2000
  • Fuzzy Set Theory and its Applications, Fourth Edition, Kluwer Boston 2001
  • Advances in Computational Intelligence and Learning (edtr. Together with Gg.Tselentis et. Al.);Kluwer Academic Publ.Boston , 2002
  • Operations Research-Methoden und Modelle. Vieweg Verlag   Wiesbaden, 2004
  • Operations Research - Methoden und Modelle für Wirtschaftsingenieure, Betriebswirte, und Informatiker , Vieweg Verlag, 2005. ISBN 3-528-03210-3

Major articles and contributions in handbooks

  • Unternehmerische Entscheidungen in Spiel und Wirklichkeit (Managerial Decisions in Games and Reality), in: Das Industrieblatt, 1964/9, pp. 393-396.
  • Periodic vs. Perpetual Inventory Systems, in: Prod. and Inv. Management, Oct. 1966, pp. 66-79.
  • Establishing Confidence Regions for Solutions of Linear Programs with Stochastic and Interdependent Coefficients, in: TIMS-Meeting, 1967, Mexico-City.
  • Operations Research, in: Handbuch der Datenverarbeitung, Verlag Moderne Industrie, 1970, pp.862-929.
  • Lineares Programmieren, in: Management Enzyklopädie, Verlag Moderne Industrie, Vol. 4, 1971, pp. 100-107.
  • GERT: Ein stochastisches Netzwerkverfahren (with H. Völzgen), in: VDI-Zeitschrift 1970, Nr. 16, pp. 1069
  • Die Ermittlung optimaler Ersatz- und Instandhaltungspolitiken mit Hilfe des Dynamischen Programmierens (with G. Neuvians), in: "Ablauf- und Planungsforschungs", 1970, Heft 2, pp. 94
  • Entscheidungstheorie, in: Mgt. Enzyklopädie, Verlag Moderne Industrie, München 1973, pp. 292-298
  • Entscheidungsnetzpläne (Stochastic Decision Networks), in: VDI-Zeitschrift 1970, p. 1069, with H. Völzgen.
  • A Dynamic Programming Model for Investment Decisions, in: Ablauf- und Planungsforschung 2, 1970, p. 94, with G. Neuvians).
  • The Domain of the Resource-Vector as an Aid to Decision Making in Stochastic 0/1 Programming, in: Operations Research Verfahren, Vol. XIV, 1972, p. 111, with M.A.Pollatschek.
  • Ein Verfahren zur Grobterminplanung bei Einzelfertigung, in: Industrial Engineering 1972, p. 127-136, with Kinzer.
  • A Study in Stochastic 0/1 Programming, Invited paper at "International TIMS Conference", Houston, Texas, 1972.
  • OR-Verfahren im Projekt Management, in: Management Enzyklopädie, 1973, pp. 792-798.
  • A Computer-oriented Approach to Characteristic Functions of Pseudo-Boolean Inequality Systems (with M.A. Pollatschek), in: "Angewandte Informatik", 1973/9, pp. 393-398.
  • Optimizing Superimposed Networks by Linear Programming, Proceedings XX. International TIMS Conference Tel Aviv, Israel, 1973, pp. 111-113.
  • Measuring Effectiveness of Project Alternatives by Cost-Benefit Analysis, Proc. International Expert Sem. on Project and Operations Management, Zürich 1973, pp. 26-35.
  • Distribution Functions of the Optimal for 0-1 Linear Programs with Randomly Distributed Right-Hand Side, (with M.A. Pollatschek), in: Angewandte Informatik 1973/10, pp. 423-426.
  • Neuere Entwicklungen auf dem Gebiet der stochastischen Programmierung (New Developments in Stochastic Programming),in: Proceedings in Operations Research III, Würzburg-Wien 1973, pp. 43-60.
  • Operations Research in Marketing, in: Marketing Enzyklopädie, Verlag Moderne Industrie 1974, pp. 1005-1016.
  • Production and Inventory Control - Theory and Practice in Germany, in: Revue Belge de Statistique, d`Informatique et de Recherche Operationelle, 1974, No. 4, pp. 23-55.
  • Using Information Profiles for Effective Information Transmission in R+D Project Management Systems (with H. Gehring), in: Proceedings of the 4th INTERNET Congress, Paris 1974, pp. 111-113
  • On Stochastic Integer Programs (with M.A. Pollatschek), in: Zeitschrift für Operations Research 1975, No. 1, pp. 37-48.
  • Probability Distribution Function of the Optimum of a 0-1 Linear Program with Randomly Distributed Coefficients of the Objective Function and the Right Hand Side (with M.A. Pollatschek) in: Journal of Operations Research 1975, No. 1, pp. 137-149.
  • Optimization in Fuzzy Environments, Paper Int. TIMS/ORSA Conference, San Juan, Puerto Rico 1974.
  • Numerical Exeriments on DFP-Method, a Powerful Function Minimization Technique (with P.J. Reddy und A. Hussin), in: Journal of Computational and Applied Mathematics, Vol. 1, No. 4, pp. 255-267.
  • Fuzzy Systems, Fuzzy Decisions, Fuzzy Algorithms - a Promising Approach to Problem Solving, NOAK 75, Stockholm, pp.1-25.
  • Lagerhaltung: Grundlagen und einfache Modelle, WISU 4 (1975), No. 8, pp. 89-94.
  • Lagerhaltung: Weiterführende Modelle (I), WISU (1975), No. 11, pp. 523-526.
  • Lagerhaltung: Weiterführende Modelle (II), WISU 4, 1975, No. 12, pp. 575-579.
  • Optimale Entscheidungen bei unscharfen Problembeschreibungen, (Optimal Decisions in Fuzzy Environments),in: ZfbF,1975, pp. 785-796.
  • Description and Optimization of Fuzzy Systems, in: Int. Journal of Gen. Systems Vol. 2 (1976), pp. 209-215.
  • Unternehmensforschung, in: Handwörterbuch der Betriebswirtschaft III, Poeschel-Verlag 1976, pp. 4041-4053
  • Unscharfe Entscheidungen und Multi-Criteria-Analyse, in: Proceedings in OR, Physica Verlag 1976, pp. 99-110.
  • Optimale Entscheidungen bei mehreren Zielkriterien, Zeitschrift für Organisation 45 (1976), pp. 455-460.
  • Analyse, Beschreibung und Optimierung von unscharf formulierten Problemen (together with W. Röder), in: Zeitschrift für Operations Research 21, 1977, pp. 1-18.
  • Fuzzy Programming and Linear Programming with Several Objective Functions, in: Int. Journal of Fuzzy Sets and Systems 1, (1978), pp. 45-55.
  • Results of Empirical Studies in Fuzzy Set Theory, in: Applied General Systems Research - Recent Developments and Trends (G.J. Klir, ed.), New York, London 1978, pp. 303-312.
  • Media Selection and Fuzzy Linear Programming Keynote address: 2nd International Working Seminar in OR, New York, April 1978 (with G. Wiedey), in: Journal of Operational Research Soc., Vol. 29 (1978), pp. 1071-1084.
  • Optimale Materialmischung (Optimal Material Mixtures), in: Handwörterbuch der Produktionswirtschaft, Stuttgart 1979, pp. 1243-1250.
  • Duality in Fuzzy Linear Programming (with W. Rödder), in: Extremal Methods and Systems Analysis, Fiacco, A.V. and Kortanek, K.O. (eds.), Lecture Notes in Economics and Mathematical Systems, Springer, Berlin-Heidelberg-New York 1980, pp. 415-429.
  • Entscheidungswissenschaften und Unternehmensführung, in: Führungsprobleme industrieller Unternehmungen, Festschrift für F. Thomee, Berlin-New York 1980, pp. 395-407
  • Sensitivity Analysis in Fuzzy Linear Programming (with Hamacher, H. and Leberling, H.) in: Int. Journal of Fuzzy Sets and Systems 1 (1978), Heft 4, pp. 269-282.
  • Theory and Applications of Fuzzy Sets, in: K.B. Haley (ed.), OR '78, North Holland Publishing Company, Amsterdam 1978, pp. 1017-1033.
  • Netzplantechnik, in: Handwörterbuch der Mathematischen Wirtschaftswissenschaften, Wiesbaden 1979, Band 3, pp. 175-177
  • Zur Darstellung und Lösung schecht strukturierter Entscheidungsprobleme, in: WISU, 1979, No. 2, pp. 72-77, and No. 3, pp. 125-129.
  • On the Suitability of Minimum and Product Operations for the Intersection of Fuzzy Sets, with U. Thole und P. Zysno, in: Fuzzy Sets and Systems, Vol. 2 (1979), pp. 173-186.
  • Testability and Meaning of Mathematical Models in Social Sciences, in: Mathematical Modelling 1 (1980), pp. 123-139.
  • Economic Laws of Service, Monograph, WP 80/04, Aachen 1980.
  • Stichprobenverfahren in der Vorrats-Inventur, in: Die Betriebswirtschaft (40), 1980, pp. 267-277.
  • Anwendung von Stichprobenverfahren insbesondere bei permanenter Inventur (with Nagels and Plüschke), in: OR Spektrum 2, Springer Verlag 1980, pp. 99-109.
  • Bemerkungen zur Verwendung von Stichprobenverfahren bei der Vorratsinventur (with B. Nagels and R. Plüschke), in: Die Wirtschaftsprüfung 1980, pp. 398-404.
  • Latent Connectives in Human Decision Making (with P. Zysno), Fuzzy Sets and Systems 4 (1980), pp. 37-51.
  • Entscheidungswissenschaften und Unternehmensführung, in: Führungsprobleme industrieller Unternehmungen, de Gruyter Berlin, New York, 1980, pp. 395-419.
  • Deterministische Entscheidungsfällung in der Bauwirtschaft mit konkurrierenden Zielkriterien, in: Aktuelle Fragen des Baubetriebes, edts. R. Seeling and K. Beißwenger, Aachen 1980, pp. 344-359.
  • Reducing Radiation Exposure in Nuclear Power Plants by Appropriate Maintenance Policies, in: EJOR 8 (1981), pp. 31-39 (with Gehring, Pachow and Rokohl).
  • Zum Nutzen empirischer Untersuchungen für normative Modelle, in: Der praktische Nutzen Empirischer Forschung, E. Witte (ed.), J.C.B. Mohr Verlag Tübingen 1981, pp. 271-304.
  • Stichprobenverfahren bei automatisch gesteuerten Lagersystemen (with R. Plüschke), in: Die Wirtschaftsprüfung 34 (1981), pp. 317-321.
  • Programmsysteme zur Stichprobeninventur mit oder ohne Bestandsfortschreibung (with Th. Brendel), in: EDV Systeme im Finanz- und Rechnungswesen, P. Stahlknecht (ed), Springer Verlag, 1982, pp. 380-392.
  • Strategische Planung - eine potentielle Anwendung der Theorie der unscharfen Mengen, in: B. Fleischmann et al. (ed.): Operations Research Proceedings, Springer Verlag 1982, pp. 369-376.
  • Formal and Empirical Approaches in Fuzzy Set Theory, in: Proceedings 2nd World Conference in Mathematics at the Service of Man, Las Palmas 1982, pp. 688-695.
  • Trends and New Approaches in European Operational Research, in: J. Operational Research 1982, pp. 597-603.
  • Decisions and Evaluations by Hierarchical Aggregation of Information (with P. Zysno), Fuzzy Sets and Systems 10 (1983), pp. 243-260.
  • Comparison of Fuzzy Reasoning Methods (with M. Mizumoto), Fuzzy Sets and Systems 8 (1982), pp. 253-285.
  • Ein hierarchisches Bewertungssystem für die Kreditwürdigkeitsprüfung im Konsumentenkreditgeschäft (with P. Zysno), DBW 42 (1982), pp. 403-417.
  • Stichprobeninventur - Durchführung in Lagern ohne artikelgenaue Bestandsfortschreibung, (with B. Nagels), ZfbF 34 (1982), pp. 1055-1064.
  • Schlecht strukturierte Entscheidungen, in: Management Enzyklopädie, Vol. 3, Second Printing, Landsberg 1982, pp. 251-255.
  • Entscheidungstheorie, in: Management Enzyklopädie, Vol. 3, Second Printing, Landsberg 1982, pp. 256-264.
  • Erfahrungen, Entwicklungen und Programmsysteme auf dem Gebiet der Stichprobeninventur, in: Praxis des Rechnungswesen 11 (1983), pp. 5/137-161.
  • Using Fuzzy Sets in Operational Research, in: EJOR 13 (1983), pp. 201-216.
  • Fuzzy Mathematical Programming, in: Computer & Operations Research, Vol. 10, No. 4, pp. 291-298, 1983.
  • Stichprobenprüfung, Schätzstichproben, in: Handwörterbuch der Revision, Poeschel-Verlag 1983, pp. 1487-1495.
  • Einflußfaktoren auf die internationale Wettbewerbsfähigkeit von Unternehmen, in: Dialog zwischen Wissenschaft und Praxis, Wolfsburg 1983, pp. 2-34.
  • Standard-Anwendersoftware zur Lösung von Optimierungsproblemen der Standort- und Transportplanung, in: Tagungsbericht Heureka 1983, Karlsruhe 1983, pp. 49-62.
  • Decision Algorithms in Fuzzy Situations, ARO Rep. 84-1, Transactions of the First Army Conference on Appl. Math. and Comp., Washington D.C. 1984, pp. 705-733.
  • Fuzzy Sets and Decision Analysis - A Perspective (together with B.R. Gaines and L.A. Zadeh), in TIMS/Studies in Management Sciences 20 (1984), pp. 3-8.
  • Fuzzy 0-1 Linear Programs (with M.A. Pollatschek), in: Zimmermann et al. (edts.), Fuzzy Sets and Decision Analysis, Amsterdam 1984, pp. 133-145.
  • Erfahrungen in der Stichprobeninventur (together with H. Pack and F. Wendt), in: DBW 44 (1984), pp. 263-270.
  • The Aggregation Operations for Decision Making in Probabilistic Fuzzy Environment (with E. Czogala), in: Fuzzy Sets and Systems 13 (1984), pp. 223-239.
  • Some Aspects of Synthesis of Probabilistic Fuzzy Controllers (with E. Czogala), in: Fuzzy Sets and Systems 13 (1984), pp. 169-177.
  • Quantifying Vagueness in Decision Models (with P. Zysno), in: European Journal of Operational Research (Special Issue) 22 (1985), pp. 148-158.
  • The Application of Fuzzy Set Theory to Mathematical Programming, in: Information and Control 36 (1985), pp. 29-59
  • Schätzstichproben, in: Coenenberg, A.G., v. Wysocki (Hrsg.): Handbuch der Abschlußprüfung, Stuttgart 1985, pp. 876-883
  • Decision Making in Uncertain Environments (with E. Czogala), in: European Journal of Operational Research, 1986.
  • Intelligent Gradient Search in Linear Programming (with W. Nickels, W Rödder, L. Xu), in: European Journal of Operational Research 22(3), 1985, pp. 293-303.
  • Lineares Programmieren, in: Mgt. Enz. 6, Second Printing, 1984, Landsberg, pp. 192-200.
  • Fuzzy Sets in Operations Research, in: Ohse, D. et al (edts.): Operations Research, Berlin, Heidelberg, New York 1985, pp. 594-608.
  • Strategische Planung und Strategisches Management - Chance und Herausforderung, BRP 33 (1986), pp. 126-131.
  • Lack- und Farbmischungen zu minimalen Kosten (with Hermanns, Kaffenberger, Rödder, Selter, Stilianakis), in: Farbe & Lack 92 (1986), pp. 379-382.
  • Gold Medal Lecture, in: Turkish Journal of Operational Research 4 (1985), pp. 112-117.
  • Fuzzy Set Theory and Mathematical Programming, in: Fuzzy Set Theory and Applications (together with A. Jones, A. Kaufmann, edts.), Reidel Publ. Comp., Dordrecht, Boston, Lancaster 1986, pp. 99-114.
  • Multi Criteria Decision Making in Crisp and Fuzzy Environments, in: Fuzzy Set Theory and Appliations (together with A. Jones and A. Kaufmann, edts.), Reidel Publ. Comp., Dordrecht, Boston, Lancaster 1986, pp. 233-256.
  • Modeling Vagueness in Decision Models, in: Empirical Research on Organizational Decision Making (with E. Witte, edts.), Amsterdam 1986, pp. 113-136.
  • Fuzzy Sets in Expert Systems - Present Status and Future Developments, 1987, in: Expert Systems in Production Engineering (G. Menges, N. Hövelmanns, E. Baur eds.), Springer, 1987, pp. 47-59.
  • Operations Research: Fuzzy Set Theory, in: Systems & Control Encyclopedia (G.M. Singh, editor), Pergamon Press, Oxford, 1987, Volume 5, pp. 3449-3455
  • Evaluierung der Modelle zur Bestimmung strategischer Schlüsselfaktoren (with B. Chrubasik), DBW 4 (1987), pp. 426-450 
  • Modeling and Solving Ill-Structured Problems in Operations Research, in: Bezdek, J. (Hrsg.): Analysis of Fuzzy Information, Vol. III, CRC Press, Boca Raton 1987, pp. 217-240
  • Die Formulierung und Lösung schlecht-strukturierter Entscheidungsprobleme, in: Gal (Hrsg.), Grundlagen des Operations Research (3), Springer, Berlin Heidelberg 1987, pp. 340-368
  • Fuzzy Sets in Pattern Recognition, in: (P.A. Devijver, J. Kittler, eds.): Pattern Recognition Theory and Applications, NATO ASI Series, Springer Verlag 1987
  • The Control of Flexible Manufacturing Systems, Proc. 2nd IFSA Congress, Tokyo 1987
  • Modellierung von Unsicherheit in Expertensystemen, in: M.R. Wolff (ed.), Entscheidungsunterstützende Systeme im Unternehmen, Oldenbourg, München 1988, pp. 175-191
  • Probabilistic and Non-Probabilistic Representation of Uncertainties in Expert Models, in: G. Mitra (ed.), Mathematical Models for Decision Support, Springer-Verlag, Berlin, Heidelberg 1988, pp. 613-630
  • Uncertainties in Expert Models, in: Mathematical Models for Decision Support, Springer Verlag 1988, pp. 613-630
  • Fuzzy Set Theory - and Inference Mechanism, in: G. Mitra (ed.), Mathematical Models for Decision Support, Springer-Verlag, Berlin-Heidelberg 1988, pp. 728-741
  • Interactive Decision Support for Semi-Structured Mathematical Programming Models, in: G. Mitra (ed.), Mathematical Models for Decision Support, Springer-Verlag, Berlin, Heidelberg 1988, pp. 307-319
  • Modelling Flexibility, Vagueness and Uncertainty in Operations Research, in: Investigación Operativa Vol No 1 (August 1988), pp.7-34
  • A new approach to control flexible manufacturing systems, in: International Workshop on Fuzzy Applications, August 20-24, 1988, IIZUKA, Fukuoka, Japan, KYUSHU INSTITUTE OF TECHNOLOGY, IIZUKA, pp. 101 -103, 1988.
  • Risikoanalyse (with B. Werners), in: Handwörterbuch der Planung, Poeschel 1989, pp. 1743-1749
  • Unscharfe Planungsentscheidungen (with B. Werners), in: Handwörterbuch der Planung, Poeschel 1989, pp. 2053-2060
  • Fuzzy Mathematical Programming , Michelena, San Sebastian (Spain), 1989, pp. 259-303
  • A Method to Control Flexible Manufacturing Systems (with G.-W. Hintz), in: European Journal of Operational Research, 41 (1989), pp. 321-334
  • Strategic Planning, Operations Research and Knowledge Based Systems, in: Verdegay, Delgado (eds.), The Interface between AI and OR in Fuzzy Environment, Köln 1989, pp. 253-274
  • Planning Models for Research and Development (with R. Weber and B. Werners), in: European Journal of Operational Research, 48 (2) 1990, pp. 175-188
  • Problems and Tools to Model Uncertainty in Expert- and Decision-Support Systems, in: Avula, Rodin (eds.), Proc. 7th Int. cong. on Mathematical Modelling, Mathl. Comput. Modelling, Vol. 14, Pergamon Press, Oxford New York 1990, pp. 8-20.
  • Wissensbasierte Ansätze in der Produktionssteuerung, in: Fandel, Gehring (Hrsg.) Operations Research - Beiträge zur quantitativen Wirtschaftsforschung, Springer, Berlin Heidelberg 1991, pp. 437-450.
  • Fuzzy-Logik für unsichere Inhalte, in: Erstes European Software Festival, Würzburg: Vogel, 1991 (CHIP inside), pp. 85-89.
  • Approximate Reasoning in Manufacturing, in: Kusiak (ed.) Intelligent Design and Manufacturing, Wiley and Sons, New York 1991.
  • Automatische Akquisition von unscharfem Expertenwissen (with R. Weber) in: Künstliche Intelligenz 2/1991, pp. 20-26.
  • Cognitive Sciences, Decision Technology, and Fuzzy Sets, in: Information Sciences 57-58 (1991), pp. 287-295.
  • Hybride Systeme zur Planung und Steuerung in der Fertigung, in: Busch (ed.) Operations Research und Wissensbasierte Systeme, Springer-Vlg. Berlin Heidelberg New York, 1991, pp. 91-115.
  • Developing Fuzzy Control Technology in Europe, in: Siemens Review, Volume 58, 6/91, pp. 31-32.
  • Fuzzy Control, eine Herausforderung für Europa?, in: Siemens Zeitschrift, 65. Jahrgang, Heft 5/91 (1991), pp. 31-33.Reprint in: Elektroniker - EC Woche, Nr.1, Aarau, Januar 1992, pp. 7-9.
  • A Knowledge-Based Approach to Intelligent Alarms in Anesthesia (together with other authors), in: IEEE Engineering in Medicine and Biology, Volume 10, Number 4, December 1991, pp. 38-42.
  • Fuzzy Control in Automotive Engineering, in: Fuzzy Engineering toward Human Friendly Systems, Vol. 1, Proceedings of the International Fuzzy Engineering Symposium '91, Yokohama, Japan, 1991, pp. 730-740.
  • FIT - A Shell for Fuzzy Expert Systems and Fuzzy Control (with v. Altrock, Krause), in: Proceedings of The World Congress on Expert Systems, Orlando, Florida, December 1991, Volume 1, Pergamon Press, pp. 2748-2758.
  • Attraktive technische Lösungen durch Kombination alter und neuer Methoden, in: mikro elektronik, Bd. 6 (1992) Heft 1, pp. 18-20
  • Stichprobenprüfung, Schätzstichprobe, in: Coenenberg, von Wysocki (Hrsg.), Handwörterbuch der Revision, 2. neugest. u. erg. Aufl., Stuttgart 1992
  • On Computation of the Compositional Rule of Inference under Triangular Norms, in: Fuzzy Stets and Systems, Vol. 51 (1992); North-Holland Publishing Company, pp. 267-275
  • Methods and Applications of Fuzzy Mathematical Programming, in: Yager, Zadeh (eds.), An Introduction to Fuzzy Logic Applications in Intelligent Systems, Boston/London/Dordrecht 1992, pp. 97-120.
  • Fuzzy Mathematical Programming, in: Shapiro (ed.), Encyclopedia of Artificial Intelligence, 2nd Ed., John Wiley & Sons 1992, pp. 521-528.
  • Approximate Reasoning in Manufacturing, in: Kusiak (ed.), Intelligent Design and Manufacturing, New York/Chichester/Brisbane/Toronto/Signapore 1992, pp. 701-722.
  • Fuzzy Technologien - Entscheidungsfindung auf neuen Wegen, in: Intelligente Software-Technologien, March 1992, 1/92, pp. 5-6.
  • Fuzzy - zögernde Anwendung eines sinnreichen Prinzips, in:Spektrum der Wissenschaft, March 3/1992, pp. 30-33.
  • Fuzzy Sets und Künstliche Intelligenz , in: IBM Nachrichten (Ed., IBM Deutschland GmbH), August 1992, 42. Jahrgang, pp. 29-31.
  • Advanced fuzzy logic control of a model car in extreme situations, in: Fuzzy Sets and Systems, (with v. Altrock, B. Krause) Vol. 48 (1992); North-Holland Publishing Company
  • Fuzzy Technologien - Stand, Potentiale, Zukunftsaussichten, in: Tagungsband 1: 7. SAVE Tagung Boon, 28.-30 April 1992, ed.:Prof. Dr. W. Zorn, pp. 117-124, 1992
  • Fuzzy Control, eine Herausforderung für Europa?; Der Elektroniker1 (1992), 7 - 9
  • Fuzzy Set Theorie, in: W. Wittmann (ed.), Handwörterbuch, 5. Aufl., Poeschel Verlag, Stgt. 1993, pp. 1354-1362
  • Fuzzy-Verfahren als Grundlage für flexible Produktionsorganisation, in: VDI Bericht Nr. 1035, 1993; VDI Verlag; pp. 1-23;
  • Planung, Entscheidung und Linguistische Approximation; in: Hausschildt/Grün (ed.), Ergebnisse empirischer betriebswirtschaftlicher Forschung (Festschrift Witte); Schäffer-Poeschel Verlag Stuttgart, 1993, pp. 797-812
  • Paradigmenwechsel führt zur unscharfen Logik, in: Elektronik plus 2/93; pp. 7-17
  • Optimization and Fuzziness in Problems of Design and Configuration (with Prof. H.-J. Sebastian), in: Proceedings: Second IEEE International Conference on Fuzzy Systems,March 28-April 1, 1993.
  • Application of Fuzzy Set Theory to Mathematical Programming, in: Readings in Fuzzy Sets for Intelligent Systems (ed.: Dubois, Prade, Yager), Morgan Kaufmann Publishers, Inc., 1993, pp. 795-809
  • Entscheidung bei Unschärfe, in:Dynamische Probleme -Modellierung und Wirklichkeit -, Vorträge der 4. Tagung am 7. und 8. Oktober 1993 in Hannover, Ed.: Natke, Tönshoff, Meltzer, pp. 55-75
  • An Intelligent Alarm System using Fuzzy-Inference: Knowledge Acquisition and Implementation, Proceedings Second European Conference on Engineering and Medicine (with Becker, Käsmacher, Juffernbruch, Rau, Kalff), Elsevier Science Publishers B.V. Amsterdam, 1993
  • Fuzzy Technologie als Schlüsseltechnologie für KMU's, in: 20th International Small Business Congress 1993, Interlaken, Switzerland, 19-22 September 1993, Ed.: Hans Jobst Pleitner, 1993, pp. 311-320
  • Prinzipien der Fuzzy Logic, in: Spektrum der Wissenschaft 3/1993, pp. 90 - 94
  • Acquisition of a "Fuzzy" Knowledge Base for an Intelligent Alarm System (with Becker, Kaesmacher, Juffernbruch, Rau, Kalff), in: seach Report 1991/1992, Helmholtz-Institut für Biomedizinische Technik, Ed.: Prof. Dr. rer. nat. G. Rau, May 1993, pp.176 - 185
  • Fuzzy reasoning for solving fuzzy mathematical programming problems (with R. Fullér), Fuzzy Sets and Systems, Vol. 60, 1, 1993, pp. 121-133
  • Attraktive technische Lösungen durch Kombination alter und neuer Methoden, Jahrbuch Elektrotechnik '94, ed.: Dr.-Ing. A. Grütz, vde-verlag gmbh, Berlin, Offenbach, 1993, pp. 17-24
  • Fuzzy data analysis - Methods and industrial applications (with W. Meier, R. Weber), Fuzzy Sets and Systems, Vol. 61, 1, 1994, pp. 19-28
  • Fuzzy Logik, Aachener Textiltagung, in: DWI Reports, 1994, pp. 47-58
  • Einsatz von Fuzzy Logic in der Analytischen Chemie, in: GIT, Fachzeitschrift für das Laboratorium, 5/94, pp. 502-505
  • Fuzzy Logic, in: Proceedings ITG-Fachtagung 21.-23.3.94 in Berlin, pp. 49-56
  • Methods and Applications of Fuzzy Data Analysis, Survey 1, in: Proceedings Fuzzy Duisburg '94, pp. 1-11
  • Fuzzy Design - Integration of Fuzzy Theory with Knowledge-Based System-Design (with H.-J. Sebastian), in: Proceedings of Third IEEE International Conference on Fuzzy Systems 1994, Vol. I, pp. 352-357
  • A Fuzzy Logic Approach to Intelligent Alarms in Cardioanesthesia (with Becker, K., Käsmacher, H., Rau, G., Kalff, G.), in: Proceedings of Third IEEE International Conference on Fuzzy Systems 1994, Vol. III, pp. 2072-2076
  • Hardware for Fuzzy Logic Applications (with Kasper, C.), in: Journal of Japan Society for Fuzzy Theory and Systems, Vol. 6, Nr. 3, 1994, pp. 451-456
  • Hybrid Approaches for Fuzzy Data Analysis and Configuration Using Genetic Algorithms and Evolutionary Methods, in: Computational Intelligence Imitating Life (Hrsg. Zurada, J.M., Marks II, R.J., Robinson, C.J.), IEEE Press New York 1994, pp. 364-370
  • Fuzzy Decisions: Approaches, Problems and Applications, in: Publications Series of the Japanese-German Center Berlin, Series 3, Vol. 8, 1994, pp. 115-136
  • Fuzzy Systems in Germany: Historical Remarks, in: Kruse, Gebhardt, Palm (eds.), Fuzzy Systems in Computer Science, Vieweg 1994, pp. 3-7
  • Fuzzy Logic Approaches to Intelligent Alarms, in: IEEE Engineering in Medicine and Biology Society, Vol. 13, Nr. 5, pp. 710-716, 1994
  • Industrielle Einsatzgebiete von Fuzzy Technologien, in: Zimmermann (ed.), Neuro + Fuzzy, VDI Verlag 1995, pp. 1-25
  • Produkte die mitdenken?,Form 15o(2) 1995,pp.18-19
  • Decision Support via Fuzzy Technology,in: Schwilden,H.(Edtr.)Control and Automation in Anaesthesia,Berlin,Heidelberg 1995,pp.3-11
  • "Unscharfe" Wirtschaftsethik;Kontext und Wortbedeutung in der ethischen Diskussion (in print)
  • Fuzzy Technology-Principles and Applications to Ecological Engineering. in Proc. 9th International Symposium Computer Science for Environment Potection, Berlin 1995 pp.7o2-713
  • Genetic Algorithms in the Soft Computing Framework.Application in Complex Cybernetic Systems (with M.Negoita) in:Cybernetica 1(1995),pp.59-69
  • Kurze Produktionsentwicklungszeiten durch Nutzung unsicherer Informationen.with Eversheim,Roggatz,Derichs.in:Informationstechnik und Technische Informatik 37 (1995)5,pp.47-53
  • Fuzzy Technologie,in:Kleines Lexikon der Informatik,Oldenbourg Verlag,München,Wien 1995,pp.212-214
  • Fuzzy Logic in den Natur- und Ingenieurwissenschaften.in:Nova Acta Leopoldina Nf 72,Nr.294, pp.353-373,1996
  • Fuzzy Logic on the Frontiers of Decision Analysis and Expert Systems.in:New Frontiers in Fuzzy Logic and Soft Computing,Proc.NAFIPS 1996,Berkeley 1996,pp.65-7o
  • Fuzzy Algorithmic and Knowledge-Based Decision Support in Nuclear Engineering,in:Intelligent Ssystems and Soft Computing for Nuclear Science and Industry,(D.Ruan,P.D'hondt,P.Govaerts,E.Kerre,Edtrs.),Singapoore 1996,pp-1-9
  • Fuzzy Technologyie und ihre Anwendungen.in:Proc. Int.Colloquium on Refractories,Bonn 1996,pp.1-6
  • Recent Developments in Fuzzy Logic and Intelligent Technologies.in:J.F.Baldwin(edtr.)Fuzzy Logic,Wiley 1996,pp.1-4
  • A Fuzzy Aggregation Scheme for the Assessment of Safeguards Relevant Information (with J. L. King).JOPAG/09.96-PRG-272, International Atomic Energy Agency, Vienna 1996.
  • Management of Uncertain Information in Simultaneous Engineering (with W. Eversheim, A. Roggatz, T. Derichs).in:H.-J. Sebastian, E. K. Antonsson (edtrs.)Fuzzy Sets in Engineering Design and Configuration,Kluwer Academic Publishers,Boston, London, Dordrecht,1996,pp.233-250.
  • Operators in Models of Decision Making.in:Fuzzy Information Engineering;Dubois, Prade, Yager (edtrs.),Wiley,N.Y.,1997,pp.471-496.
  • Media Selection and other Applications of Fuzzy Linear Prgramming.in:Fuzzy Information Engineering;Dubois, Prade, Yager (edtrs.),Wiley,N.Y.,1997,pp.595-618
  • Intelligent Decision Support Systems.in:Proceedings of the ERUDIT European Symposium on Intelligent Techniques,Aachen 1997,pp.1-13
  • Uncertainty Modelling and Fuzzy Sets.in:Uncertainty: Models and Measures; H. Günther Natke, Yakov Ben-Haim (edtrs.), Akademie Verlag,Berlin,1997,pp.84-100.
  • Soft Computing.in:Lexikon der Wirtschaftsinformatik; P. Mertens, A. Back, J. Becker, W. König, H. Krallmann, B. Rieger, A.-W. Scheer, D. Seibt, P. Stahlknecht, H. Strunz, R. Thome, H. Wedekind (edtrs.),Springer-Verlag,Berlin,Heidelberg,New York,1997,p.362.
  • Fuzzy Data Analysis.in:Computational Intelligence: Soft Computing and Fuzzy-Neuro Integration with Applications; O.Kaynak, L. A. Zadeh, B. Turksen, I. J. Rudas (edtrs.),Springer-Verlag,1997.
  • Fuzzy Decision Support Systems.in:Computational Intelligence: Soft Computing and Fuzzy-Neuro Integration with Applications; O.Kaynak, L. A. Zadeh, B. Turksen, I. J. Rudas (edtrs.),Springer-Verlag,1997.
  • Information management for concurrent engineering.(with W. Eversheim, A. Roggatz, T. Derichs).in:European Journal of Operational Research, Volume 100, Number 2, pp. 253-265; A. Mercer, C. B. Tilanus, H.-J. Zimmermann (edtrs.)Elsevier Science, 1997.
  • Possibility Distributions of Fuzzy Variables in Fuzzy Linear Programming Problems.(with Hideo Tanaka, Peijun Guo).in:IFSA'97 Proceedings,M. Mares et.al. (edtrs.),Prag 1997,Volume III,pp.48-52.
  • Fuzzy Mathematical Programming.in:Advances in Sensitivity Analysis and Parametric Programming (edited by Tomas Gal and Harvey J. Greenberg),Kluwer Academic Publishers,1997,pp.15-1 - 15-40.
  • Directions for Future Research.in:Handbook of Fuzzy Computation,Institute of Physics Publishing (Forthcoming)
  • A Fresh Perspective on Uncertainty Modeling: Uncertainty vs. Uncertainty Modeling. in: Uncertainty Analysis in Engineering and Sciences: Fuzzy Logic, Statistics, and Neural Network Approach (edited by Bilal M. Ayyub and Madan M. Gupta), International Series in Intelligent Technologies, Kluwer Academic Publishers, 1997, pp.353-364
  • Dynamic Data Analysis: Problem Description and Solution Approaches.(with A. Joentgen, L. Mikenina, R. Weber).in:Fuzzy-Neuro Systems'98-Computational Intelligence(edited by Wilfried Brauer),Proceedings of the 5. International Workshop "Fuzzy-Neuro Systems'98" (FNS'98),Sankt Augustin, 1998.
  • Dynamic Data Analysis: Similarity Between Trajectories.(with A. Joentgen, L. Mikenina, R. Weber).in:Fuzzy-Neuro Systems'98-Computational Intelligence(edited by Wilfried Brauer),Proceedings of the 5. International Workshop "Fuzzy-Neuro Systems'98" (FNS'98),Sankt Augustin, 1998.
  • Operations Research in Wirtschaft, Technik und Umwelt.(with T. Grünert, H.-J. Sebastian).in:RWTH Themen Wirtschaftswissen- schaften,Ausgabe 1/98,Sommersemester 1998,pp.31-37, 1998
  • Aggregation of Compatibility and Equality: A New Class of Similarity Measures for Fuzzy Sets.(with E. Tsiporkova).in:IPMU-Information Processing and Management of Uncertainty in Knowledge-based Systems.Proceedings Seventh International Conference,Paris,1998,pp. 1769-1776.
  • Computational Intelligence and Nuclear Engineering.in:Fuzzy Logic and Intelligent Technologies for Nuclear Science and Industry (edited by Da Ruan, Hamid Aït Abderrahim, Pierre D'hondt and Etienne E. Kerre), Proceedings of the 3rd International FLINS Workshop Antwerp, Belgium, September 14-16,1998,World Scientific Publishing,1998,pp. 1-18.
  • Fuzzy Decision Support Systems.in:Computational Intelligence: Soft Computing and Fuzzy-Neuro Integration with Applications (edited by Okyay Kaynak, Lotfi A. Zadeh, Burhan Türksen, Imre J. Rudas),NATO ASI Series,Series F: Computer and Systems Sciences, Vol. 162,Springer-Verlag,1998,pp. 198-229.
  • Fuzzy Data Analysis.in:Computational Intelligence: Soft Computing and Fuzzy-Neuro Integration with Applications (edited by Okyay Kaynak, Lotfi A. Zadeh, Burhan Türksen, Imre J. Rudas),NATO ASI Series,Series F: Computer and Systems Sciences, Vol. 162,Springer-Verlag,1998,pp. 381-402.
  • Some observations on Practising Successful Operational Research. Journal of the Operations Research Society 49 (1998), pp. 413-419
  • Directions for Future Research.in:Handbook of Fuzzy Computation,(edited by Enrique H. Ruspini, Piero P. Bonissone, Witold Pedrycz),Institute of Physics Publishing,Bristol and Philadelphia,1998,pp. H1.2:1-H1.2:3.
  • Fuzzy Set Theory.in:WiSt (Wirtschaftswissenschaftliches Studium),1/1999, 28. Jahrgang,Verlage C.H. Beck und Vahlen, München, Frankfurt a. M.,1999,pp. 22-29.
  • Intelligente Technologien und Data Mining zur Unterstützung des Verkehrsmanagements. in: Tagungsbericht HEUREKA/Karlsruhe, (edited by Forschungsgesellschaft für Strassen- und Verkehrs-wesen),Köln,1999,pp.21-46.
  • Intelligent Data Analysis and Fuzzy Control. in: Fuzzy Algorithms for Control (with H. Verbruggen and R. Babuska),International Series in Intelligent Technologies, Kluwer, Boston, 1999.
  • Computational Intelligence and Operations Research: Contradictions or Partners?. in: Proceedings of TOOLMET'99 Symposium-Tool Environments and Development Methods for Intelligent Systems,(edited by Leena Yliniemi and Esko Juuso), Oulu, 1999.
  • Upper and lower possibility distributions of fuzzy decision variables in upper level decision problems.(with P. Guo, H. Tanaka) (Forthcoming)
  • Fuzzy rule based classification with Featureselector and modified threshold accepting.(with V. Ravi).in:European Journal of Operational Research, 120 (2001), pp. 175-280
  • Fuzzy rule base generation for classification and its minimization via modified threshold accepting.(with V. Ravi, P. J. Reddy).in:Fuzzy Sets and Systems (Forthcoming)
  • Improved Feature Selection and Classification by the 2-additive Fuzzy Measure.(with L. Mikenina).in:Fuzzy Sets and Systems 107 (1999), pp. 197-218.
  • Automatic fault detection in gearboxes by dynamic fuzzy data analysis.(with A. Joentgen, L. Mikenina, R. Weber, A. Zeugner).in:Fuzzy Sets and Systems 105 (1) 1999, pp. 123-132.
  • Dynamic Fuzzy Data Analysis based on Similarity between Functions.(with A. Joentgen, L. Mikenina, R. Weber).in:Fuzzy Sets and Systems 105 (1) ,1999 pp. 81-90
  • Von der Fuzzy Set theorie zur Computational Intelligence. in: R. Seising (Hrsg.): Fuzzy Theorie und Stochastik, Vieweg 1999 s. 161-181
  • Zur Modellierung von Unsicherheit realer Probleme. in: R. Seising (Hrsg.): Fuzzy Theorie und Stochastik, Vieweg 1999
  • An application-oriented view of modelling uncertainty. EJOR 122 (2000) p. 190-199
  • Dynamic Fuzzy Data Analysis and Uncertainty Modeling in Engineering. In: Da Ruan et.al (Edtrs). Intelligent Techniques and Soft Computing in Nuclear Science and Engineering, World Scientific Singapore 2000, pp.3-15
  • Pattern classification with principal component analysis and fuzzy rule base (with V. Ravi and P.P. Reddy), EJOR 126 (2000) pp. 526-533
  • Concept oringns, present developments and the future of Computational Intelligence. Int. Journal of Chaos Theory and Applications 5 (2000) 3-10
  • Komplexitatsreduktion in der Scenarioanalyse mit Hilfe dynamischer Fuzzy-Datenanalyse (with Hofmeister P., Joentgen A., Mikenina L., Weber R.) OR Spektrum 22 (2000) pp. 403-420
  • A neural network and fuzzy rule base hybrid for pattern calssification. (with V. Ravi) Soft Computing 5 (2001) pp. 152-159
  • Computational Intelligence and Enviromental Planning. Plurimondo (Forthcoming)
  • Approximate Reasoning in Logistics; Proc.Joint 9 th IFSA Worldcongress, 2001, pp.134ff.
  • Online-optimierter Patiententransport; Proc. GOR Annual Conference Duisburg 2001, pp.82
  • Kooperative Bedarfsplanung via Internet; Material Management 8 (2001),28 - 31
  • Computational Intelligence und Modernes Management; in: D.Griesche et.al.( Edtrs): Innovative Management aufgaben in der nationalen und internationalen Praxis. Deutscher Universitätsverlag Wiesbaden, 2001, Seiten 209-225
  • Fuzzy Technology in Logistics; Proc. Of 1rat International NAISO Congress on Neuro Fuzzy Technologies,Havana 2002, p 21
  • Computational Inntelligence und ihre Anwendungen in Technick und Management; in Technische Mitteilungen (95) 2002, Seiten 4-15
  • Intelligente   Technologien>:Was ist das eigentlich?; Wellpappe Nachrichten 2 (2003) Heft 2 Seiten 16-18
  • Fuzzy Technologie-von der Fuzy Set Theorie zur Fuzzy Technologie; Wellpappe Nachrichten 2(2003) Heft 3 Seiten32-41

Books dedicated to H.-J. Zimmermann

  • Operations Research. Reflexionen aus Theorie und Praxis. B. Werners, R. Gabriel (edtrs.) Springer, Heidelberg 1994.
  • Fuzzy Logic Foundations and Industrial Applications. Da Ruan (edtr.) Kluwer, Norwell 1996.

Publications


  • G. Di Stefano, S. Krause, M.E. Lübbecke and U.T. Zimmermann (2008).
    On minimum \(k\)-modal partitions of permutations. J. Discrete Algorithms 6 (3): 381-392. [pdf] [doi] [bib]
  • G. Di Stefano, S. Krause, M.E. Lübbecke and U.T. Zimmermann (2006).
    On Minimum \(k\)-Modal Partitions of Permutations. In J.R. Correa, A. Hevia and M. Kiwi (Eds.) Latin American Theoretical Informatics (LATIN). Springer, Berlin Lect. Notes Comput. Sci. 3887: pp. 374-385. [pdf] [doi] [bib]
  • M.E. Lübbecke and U.T. Zimmermann (2005).
    Shunting Minimal Rail Car Allocation. Comput. Optim. Appl. 31 (3): 295-308. [pdf] [doi] [bib]
  • M.E. Lübbecke and U.T. Zimmermann (2003).
    Computer Aided Scheduling of Switching Engines. In W. Jäger and H.-J. Krebs (Eds.) Mathematics–Key Technology for the Future: Joint Projects Between Universities and Industry. Springer, Berlin [bib]
  • M.E. Lübbecke and U.T. Zimmermann (2003).
    Engine Routing and Scheduling at Industrial In-Plant Railroads. Transportation Sci. 37 (2): 183-197. [pdf] [doi] [bib]
  • M.E. Lübbecke and U.T. Zimmermann (2000).
    Optimale Disposition von Rangierlokomotiven bei Werks- und Industriebahnen - vom Bedarf zum Produkt. Arbeitskreis Mathematik in Forschung und Praxis: 18.\ Symposium "`Modellierung und Simulation von Verkehr"', Bad Honnef am 17./18.11.1999. pp. 35-40. [bib]
  • M.R. Bussieck, M.E. Lübbecke, T. Winter and U.T. Zimmermann (1998).
    Discrete optimization in rail transport. M.R. Bussieck, M.E. Lübbecke, T. Winter and U.T. Zimmermann Proceedings of 11th Baikal International School-Seminar on Optimization Methods and their Applications. Irkutsk, Baikal pp. 225-234. [bib]