@book { Exilliteratur193345,
    title = "Exilliteratur 1933-45",
    subtitle = "Migration und Deutschunterricht",
    author = "Michael {Ackermann}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097255"
}