@TECHREPORT\{IMM2001-02855,
    author       = "V. Vidal and L. S{\o}rensen",
    title        = "The anatomy of soft approaches",
    year         = "2001",
    number       = "",
    series       = "",
    institution  = "",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2855-full.html"
}