@book { DasdeutscheLesebuchimDrittenReich,
    title = "Das deutsche Lesebuch im Dritten Reich",
    author = "Susanne {Hoffmann}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/216949"
}