@book { DieWikingersagaDreiRomaneineinemBand,
    title = "Die Wikingersaga - Drei Romane in einem Band",
    author = "Kari {Köster-Lösche}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/339051"
}