@CONFERENCE\{IMM2003-02279,
    author       = "D. Bj{\o}rner",
    title        = "Towards Design Calculi for Requirements Engineering  and Software Design",
    year         = "2003",
    pages        = "21",
    booktitle    = "From Object-orientation to Formal Methods: Dedicated to the Memory of Ole-Johan Dahl",
    volume       = "2635",
    series       = "Lecture Notes in CVomputer Science",
    editor       = "",
    publisher    = "Springer-Verlag",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2279-full.html"
}