@book { FriedenswahleninderSozialversicherung,
    title = "Friedenswahlen in der Sozialversicherung",
    author = "Astrid {Windels-Pietzsch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100091"
}