@book { DieMwenvonFehmarnMordamSdstrand,
    title = "Die Möwen von Fehmarn: Mord am Südstrand",
    author = "Rebecca {Schulz}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1436194"
}