@BOOK\{IMM1991-02266,
    author       = "D. Bj{\o}rner and M. Broy and I. Pottosin",
    title        = "Perspectives of System Informatics, I",
    year         = "1991",
    volume       = "",
    number       = "",
    series       = "Lecture Notes in Computer Science",
    publisher    = "Springer-Verlag, Berlin",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2266-full.html"
}