@book { DasLachenderKinderhinterdenHemdgespenstern,
    title = "Das Lachen der Kinder hinter den Hemdgespenstern",
    author = "Thomas {Staufenbiel}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1245225"
}