@book { DasGeheimnisdesLords,
    title = "Das Geheimnis des Lords",
    author = "Constance {Hall} and Bettina {Albrod}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/465563"
}