@book { UsabilityofWebInterfacesintheUniversalMobileTelecommunicationSystemUMTSde,
    title = "Usability of Web-Interfaces in the Universal Mobile Telecommunication System (UMTS) (de)",
    author = "Thorsten H. {Schulze}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836630795",
    url = "https://m.diplom.de/document/226861"
}