@MASTERSTHESIS\{IMM2001-0756,
    author       = "T. K. Christensen",
    title        = "Integration of voice and data in {GPRS}",
    year         = "2001",
    school       = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/756-full.html"
}