Minimum Partitioning Simple Rectilinear Polygons in o(n log log n) Time. - W. T. Liou; Jimmy J. M. Tan; Richard C. T. Lee (SCG, 1989)

Minimum rectangular partition problem for simple rectilinear polygons. - W. T. Liou; Jimmy J. M. Tan; Richard C. T. Lee (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1990)

Covering convex rectilinear polygons in linear time. - W. T. Liou; Chuan Yi Tang; Richard C. T. Lee (Int. J. Comput. Geom. Appl., 1991)