@book { DieWismarSagaSammelband4historischeRomane,
    title = "Die Wismar-Saga - Sammelband 4 historische Romane",
    author = "Astrid {Gavini}",
    year = "2019",
    publisher = "Uksak E-Books",
    address = "Lengerich, Germany",
    url = "https://uksakebooks.grin.com/document/492674"
}