@book { DanOaklandStory28LandderSioux,
    title = "Dan Oakland Story 28: Land der Sioux",
    author = "U. H. {Wilken}",
    year = "2023",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1382637"
}