@book { MarketingSchemeonPeertoPeerP2PCommunicationSoftwareAnticipating4G,
    title = "Marketing Scheme on Peer-to-Peer (P2P) Communication Software Anticipating 4G",
    author = "Steffen {Dubiel}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832483876",
    url = "https://m.diplom.de/document/223576"
}