@book { FotokartenMagischeBildgestaltung,
    title = "Fotokarten. Magische Bildgestaltung",
    author = "Lars {Poeck}",
    year = "2022",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1182380"
}