@CONFERENCE\{IMM1998-0481,
    author       = "P. K. Hansen and P. C. Hansen and S. D. Hansen and J. A. S{\o}rensen",
    title        = "On Speech Enhancement Algorithms Based on Signal Subspace Methods",
    year         = "1998",
    pages        = "221-224",
    booktitle    = "{IEEE} Nordic Signal Processing Symposium, {NORSIG-}98",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "Aalborg, Denmark",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/481-full.html"
}