Algorithms for permutation channel routing. - H. W. Leong; C. L. Liu 001 (Integr., 1987)

Double-Ended Binomial Queues. - C. M. Khoong; H. W. Leong (ISAAC, 1993)

Relaxed Inorder Heaps. - C. M. Khoong; H. W. Leong (Int. J. Found. Comput. Sci., 1994)