@MISC\{IMM2004-03226,
    author       = "T. Lehn-Schi{\o}ler",
    title        = "Parzen Particle Filters,",
    year         = "2004",
    month        = "may",
    publisher    = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3226-full.html"
}