@book { MigrationundZuwanderung,
    title = "Migration und Zuwanderung",
    author = "Maria K. {Lasatowicz} and Andrea {Rudolph}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17215",
    url = "https://www.peterlang.com/document/1057275"
}