A fault simulator for MOS LSI circuits. - Ajoy K. Bose; Patrick Kozak; Chi-Yuan Lo; Hao N. Nham; Ernesto Pacas-Skewes; Kwok W. Wu (DAC, 1982)

HS: A Hierarchical Search Package for CAD Data. - Nishit P. Parikh; Chi-Yuan Lo; Anoop Singhal; Kwok W. Wu (ICCAD, 1990)