@TECHREPORT\{IMM2002-01046,
    author       = "L. S{\o}rensen and R. V. Vidal",
    title        = "The anatomy of soft approaches",
    year         = "2002",
    number       = "",
    series       = "IMM-TR-2002-06",
    institution  = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1046-full.html"
}