@book { DasInselcottageamMeer,
    title = "Das Inselcottage am Meer",
    author = "Heather {Barbieri} and Sonja {Hauser}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1189918"
}