@book { DasFlsterndergrnenInsel,
    title = "Das Flüstern der grünen Insel",
    author = "Deirdre {Purcell} and Uta {Hege}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1137331"
}