@MISC\{IMM1993-0674,
    author       = "T. Busk and H. B. Nielsen",
    title        = "Numerisk Integration",
    year         = "1993",
    edition      = "4",
    pages        = "24",
    publisher    = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/674-full.html"
}