@book { DasgroeTippKickBuch,
    title = "Das große Tipp-Kick-Buch",
    author = "Katrin {Höfer} and Peter {Hesse}",
    year = "2010",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403422"
}