@book { 7NordmordezwischenHamburgundOstfriesland7Krimis,
    title = "7 Nordmorde zwischen Hamburg und Ostfriesland: 7 Krimis",
    author = "Alfred {Bekker}",
    year = "2022",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/1264640"
}