@book { GabeseineAlternativeGesamtausgabe, title = "Gab es eine Alternative? (Gesamtausgabe)", author = "Wadim S. {Rogowin} and Hannelore {Georgi}", year = "2020", publisher = "MEHRING Verlag", address = "Essen, Germany", url = "https://mehring.openpublishing.com/document/538489" }