@book { UmwandlungeinerGmbHCoKGindiekleineAGMasterplan, title = "Umwandlung einer GmbH & Co. KG in die kleine AG - Masterplan", author = "Stefan {Plötze}", year = "2001", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783832447953", url = "https://m.diplom.de/document/220383" }