@BOOK\{IMM1993-02267,
    author       = "D. Bj{\o}rner and M. Broy and I. V. Pottosin",
    title        = "Formal Methods in Programming and Their Applications",
    year         = "1993",
    volume       = "",
    number       = "",
    series       = "Lecture Notes in Computer Science 735",
    publisher    = "Springer-Verlag",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2267-full.html"
}