@book { DerHimmelberAustralien,
    title = "Der Himmel über Australien",
    author = "Anne {McCullagh Rennie} and Karin {Dufner}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/429487"
}