@book { DieWirtschaftsundSozialpolitikderKPDvon1945bis1956,
    title = "Die Wirtschafts- und Sozialpolitik der KPD von 1945 bis 1956",
    author = "Volker {Sieger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089436"
}