@ARTICLE\{IMM2004-03221,
    author       = "T. K. Christensen and B. F. Nielsen and V. B. Iversen",
    title        = "Phase-Type Models of Channel-Holding Times in Cellular Communication Systems",
    year         = "2004",
    pages        = "725-733",
    journal      = "{IEEE} Transactions on Vehicular Technology",
    volume       = "53",
    editor       = "",
    number       = "3",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3221-full.html"
}