On the X-Y Convex Hull of a Set of X-Y Polygons. - Tina M. Nicholl; D. T. Lee; Yuh-Zen Liao; Chak-Kuen Wong (BIT, 1983)

An algorithm for optimal two-dimensional compaction of VLSI layouts. - Martine D. F. Schlag; Yuh-Zen Liao; C. K. Wong (Integr., 1983)

An Algorithm to Compact a VLSI Symbolic Layout with Mixed Constraints. - Yuh-Zen Liao; Chak-Kuen Wong (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1983)

PSI: A Symbolic Layout System. - Rolf-Dieter Fiebrich; Yuh-Zen Liao; George M. Koppelman; Edward N. Adams (IBM J. Res. Dev., 1984)

Symbolic layout compaction under conditional design rules. - Chung-Kuan Cheng; Xiaotie Deng; Yuh-Zen Liao; So-Zen Yao (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1992)