@book { DieschwarzeBruderschaftOperationNautilusSechsterRoman,
    title = "Die schwarze Bruderschaft: Operation Nautilus - Sechster Roman",
    author = "Wolfgang {Hohlbein}",
    year = "2018",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/434001"
}