@MISC\{IMM2005-04389,
    author       = "H. B. Nielsen",
    title        = "IMMOPTIBOX",
    year         = "2005",
    publisher    = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    url          = "http://www.imm.dtu.dk/~hbn/immoptibox",
    abstract     = "A Matlab toolbox for optimization and data fitting"
}