@CONFERENCE\{IMM1996-0640,
    author       = "H. Ekblom and H. B. Nielsen",
    title        = "Computing {M-}Estimates",
    year         = "1996",
    pages        = "6",
    booktitle    = "Computational Statistics and Data Analysis, Barcelona.",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/640-full.html"
}