@book { PrivatisierungspolitikinderBundesrepublikDeutschland,
    title = "Privatisierungspolitik in der Bundesrepublik Deutschland",
    author = "Andreas {Wellenstein}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1080153"
}