@CONFERENCE\{IMM1990-02325,
    author       = "D. Bj{\o}rner and L. M. Druffel",
    title        = "Industrial Experience   in using Formal Methods",
    year         = "1990",
    pages        = "264-266",
    booktitle    = "Intl. Conf. on Software Engineering",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "{IEEE} Computer Society Press",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2325-full.html"
}