@book { DieKnstlersozialkasse,
    title = "Die Künstlersozialkasse",
    subtitle = "Ein zukunftsfähiges System?",
    author = "Katharina {Klabun}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02023-6",
    url = "https://www.peterlang.com/document/1047289"
}