@book { DasBosmannUrteil,
    title = "Das Bosmann-Urteil",
    author = "Alexander {Richter}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832407025",
    url = "https://m.diplom.de/document/216629"
}