@book { DasLastenheft, title = "Das Lastenheft", subtitle = "Die Leistungsbeschreibung in Softwareerstellungsprojekten", author = "Moritz {Zoglmann}", year = "2013", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-02446-3", url = "https://www.peterlang.com/document/1047457" }