@book { DieThannhuserTrilogieBand2DerSteindesLuzifer,
    title = "Die Thannhäuser-Trilogie - Band 2: Der Stein des Luzifer",
    author = "Helga {Glaesener}",
    year = "2015",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/287900"
}