An On-Line Algorithm for Navigating in Unknown Terrain. - Kwong-fai Chan; Tak Wah Lam (ISA, 1991)

Finding Least-Weight Subsequences with Fewer Processors. - Tak Wah Lam; Kwong-fai Chan (Algorithmica, 1993)

An on-line algorithm for navigating in unknown environment. - Kwong-fai Chan; Tak Wah Lam (Int. J. Comput. Geom. Appl., 1993)