@article{BuesingKirchnerKosterThome2023a,
	author = {C. B\"{u}sing and S. Kirchner and A.M.C.A. Koster and A. Thome},
	title = {The Budgeted Minimum Cost Flow Problem with Unit Upgrading Cost},
	journal = {Networks},
	year = {2017},
	number = {1},
	pages = {67--82},
	volume = {69},
	month = {Jan},
	doi = {10.1002/net.21724}
}