@book{BaltzerJorasz, author = {Baltzer, Bj{\"o}rn and J{\´o}rasz, William}, title = {Kosten- und Leistungsrechnung}, edition = {6., {\"u}berarbeitete Auflage}, publisher = {Sch{\"a}ffer-Poeschel Verlag}, address = {Stuttgart}, isbn = {978-3-7910-4273-2}, doi = {10.34156/9783791042749}, pages = {445}, subject = {Kostenrechnung}, language = {de} } @book{BaltzerJorasz, author = {Baltzer, Bj{\"o}rn and J{\´o}rasz, William}, title = {Kosten- und Leistungsrechnung}, edition = {7. Auflage}, publisher = {Sch{\"a}ffer-Poeschel Verlag}, address = {Stuttgart}, isbn = {978-3-7910-5465-0}, doi = {10.34156/9783791054674}, pages = {409}, subject = {Kostenrechnung}, language = {de} }