@book { DiePrivatisierungderSparkassenundLandesbanken,
    title = "Die Privatisierung der Sparkassen und Landesbanken",
    author = "Mikko {Klein}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096106"
}