@ARTICLE\{IMM2000-01934,
    author       = "S. E. Karisch and F. Rendl and J. Clausen",
    title        = "Solving graph bisection problems with semidefinite
 programming",
    year         = "2000",
    pages        = "177-191",
    journal      = "{INFORMS} Journal of Computing",
    volume       = "12",
    editor       = "",
    number       = "3",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1934-full.html"
}