@book { DIESAGAVONRAGNARDRAUGABANIDRAUGARI,
    title = "DIE SAGA VON RAGNAR DRAUGABANI - DRAUGAR I",
    author = "Leif {Inselmann}",
    year = "2023",
    publisher = "Signum-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1413628"
}