@book { NationalsozialistischeSprachundSprachenpolitik1933bis1945,
    title = "Nationalsozialistische Sprach- und Sprachenpolitik 1933 bis 1945  ",
    author = "Helmut {Schaller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18238",
    url = "https://www.peterlang.com/document/1111875"
}