@book { DieAusbrgerungilloyalerStaatsangehriger,
    title = "Die Ausbürgerung illoyaler Staatsangehöriger",
    author = "Gesine {Krohne}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03412-7",
    url = "https://www.peterlang.com/document/1047720"
}