@book { SchattenblauDasFunkelnderWellen,
    title = "Schattenblau: Das Funkeln der Wellen",
    author = "Karla {Fabry}",
    year = "2020",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/996154"
}