@CONFERENCE\{IMM1991-02927,
    author       = "B. F. Nielsen and A. L. Kragh and V. A. Barker",
    title        = "A Combined Petri-Net and Markov Chain Analysis of an {FMS}",
    year         = "1991",
    booktitle    = "{APORS} 91",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2927-full.html"
}