@book { FremdeHerrscherfremdesVolk,
    title = "Fremde Herrscher – fremdes Volk",
    author = "Helga {Schnabel-Schüle} and Andreas {Gestrich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101824"
}