@book { RaumschiffRUBIKON4VergesseneWelten,
    title = "Raumschiff RUBIKON 4 Vergessene Welten",
    author = "Marc {Tannous}",
    year = "2019",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/452783"
}