@book { LeseAdventskalender2018Mistelmagie,
    title = "Lese-Adventskalender 2018 Mistelmagie",
    author = "Marlies {Lüer}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1143286"
}