@book { FRANKREICHWohnmobilRundreiseSdOst,
    title = "FRANKREICH Wohnmobil-Rundreise Süd-Ost",
    author = "Helmut {Lichte}",
    year = "2022",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1247981"
}