@ARTICLE\{IMM1998-0567,
    author       = "J. Clausen and S. E. Karisch and M. Perregaard and F. Rendl",
    title        = "On the Applicability of Lower Bounds for Solving Rectilinear
Quadratic Assignment Problems in Parallel",
    year         = "1998",
    pages        = "127 - 147",
    journal      = "Computational Optimization 
and Applications",
    volume       = "10",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/567-full.html"
}