S. Karisch, F. Rendl, and H. Wolkowicz. Quadratic Assignment and Related Problems, volume 16 of DIMACS Series in Discrete Mathematics and Theoretical Computer Science, page 199-219. DIMACS/AMS, (1993)
P. Pardalos, F. Rendl, and H. Wolkowicz. Quadratic Assignment and Related Problems, volume 16 of DIMACS Series in Discrete Mathematics and Theoretical Computer Science, page 1-42. DIMACS/AMS, (1993)