@BOOK\{IMM1999-01539,
    author       = "F. Nielson and H. Riis Nielson and C. L. Hankin",
    title        = "Principles of Program Analysis",
    year         = "1999",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Springer",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1539-full.html"
}