@book { Schattenblau2DasRaunendesMeeres,
    title = "Schattenblau 2: Das Raunen des Meeres",
    author = "Karla {Fabry}",
    year = "2018",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/996150"
}