@MISC\{IMM2006-05079,
    author       = "A. B. Nielsen",
    title        = "Pitch Based Sound Classification",
    year         = "2006",
    month        = "may",
    publisher    = "",
    address      = "Toulouse, France",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5079-full.html"
}