@book { WeihnachtenbeginntimSeptember,
    title = "Weihnachten beginnt im September",
    author = "Brigitte {Teufl-Heimhilcher}",
    year = "2024",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1438679"
}