Stochastic Quadratic Assignment Problems. - Wu-Ji Li; James MacGregor Smith (Quadratic Assignment and Related Problems, 1993)

Star, grid, ring topologies in facility location & network design. - Wu-Ji Li; James MacGregor Smith (Network Design: Connectivity and Facilities Location, 1997)

Quadratic Assignment Problems and M/G/C/C/ State Dependent Network Flows. - J. MacGregor Smith; Wu-Ji Li (J. Comb. Optim., 2001)