@book { MassaConfusaundderToteamPulversee,
    title = "Massa Confusa und der Tote am Pulversee",
    author = "Roland {Geisler} and Sina {Vogt}",
    year = "2016",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/998416"
}