@INCOLLECTION\{IMM1983-02312,
    author       = "D. Bj{\o}rner and S. Prehn",
    title        = "Software Engineering Aspects of \{VDM\}\}",
    year         = "1983",
    booktitle    = "Theory and Practice of Software Technology",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2312-full.html"
}