@MISC\{IMM1991-03741,
    author       = "V. V. Vidal",
    title        = "Engineering Optimization - selected contributions",
    year         = "1991",
    pages        = "88",
    publisher    = "{IMSOR,} {DTU}",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3741-full.html"
}