@book { DieAbweichungsgesetzgebungdesArt72Abs3GGimFreistaatSachsen,
    title = "Die Abweichungsgesetzgebung des Art. 72 Abs. 3 GG im Freistaat Sachsen",
    author = "Christian {Szmais}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1057958"
}