@book { Bernsteinkoggen3HistorischeRomane,
    title = "Bernsteinkoggen: 3 Historische Romane",
    author = "Alfred {Bekker} and Silke {Bekker}",
    year = "2023",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/1420651"
}