@book { SilbernleuchtetnichtnurderMond,
    title = "Silbern leuchtet nicht nur der Mond",
    author = "Lorena {Liehmar}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/994339"
}