@book { UserfriendlyPreparationandPresentationofNetworkPerformanceDataofMobileNetworksGSMGPRSUMTS,
    title = "Userfriendly Preparation and Presentation of Network Performance Data of Mobile Networks [GSM/GPRS/UMTS]",
    author = "Sebastian {Holzer}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832490331",
    url = "https://m.diplom.de/document/224192"
}