@TECHREPORT\{IMM1998-01517,
    author       = "K. Madsen and S. Zertchaninov",
    title        = "A C++ Programme for Global Optimization",
    year         = "1998",
    number       = "04",
    series       = "",
    institution  = "",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1517-full.html"
}