@book { DieStiftung, title = "Die Stiftung", author = "Bernd {Andrick} and Gerd {Hellmig} and Axel {Janitzki} and Karlheinz {Muscheler}", year = "2014", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-05103-2", url = "https://www.peterlang.com/document/1044672" }