@book { DasInternetalsDistributionsinstrumentderTrontrgerindustrie,
    title = "Das Internet als Distributionsinstrument der Tronträgerindustrie",
    author = "Frank {Diedrichs}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832459802",
    url = "https://m.diplom.de/document/221428"
}