@CONFERENCE\{IMM2005-04326,
    author       = "F. Nielson and H. R. Nielson",
    title        = "Heuristics for Enforcing Security Constraints",
    year         = "2005",
    month        = "oct",
    booktitle    = "CPSec Barcelona",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4326-full.html"
}