@book { DieVorversichereranfrage,
    title = "Die Vorversichereranfrage",
    author = "Sarah {Vogel}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15420",
    url = "https://www.peterlang.com/document/1113564"
}