@inbook{Hecht2022, author = {Hecht, Dirk}, title = {Neue Gesch{\"a}ftsmodelle}, booktitle = {Modernes Beschaffungsmanagement in Lehre und Praxis}, editor = {Hecht, Dirk}, publisher = {Kohlhammer}, address = {Stuttgart}, isbn = {978-3-17-039953-2}, pages = {342 -- 351}, year = {2022}, language = {de} }