@book { RaumschiffPrometVonSternzuStern38WchterdesschwarzenImperiums,
    title = "Raumschiff Promet - Von Stern zu Stern 38: Wächter des schwarzen Imperiums",
    author = "Andreas {Zwengel}",
    year = "2021",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1148197"
}