@MISC\{IMM1996-01578,
    author       = "F. Nielson",
    title        = "Annotated Type and Effect Systems",
    year         = "1996",
    pages        = "344-345",
    publisher    = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1578-full.html"
}