@ARTICLE\{IMM2003-02864,
    author       = "H. Pilegaard and M. R. Hansen and R. Sharp",
    title        = "An Approach to Analyzing Availability  Properties of Security Protocols",
    year         = "2003",
    pages        = "337-373",
    journal      = "Nordic Journal of Computing",
    volume       = "10",
    editor       = "",
    number       = "4",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2864-full.html"
}