Critical path selection for performance optimization. - Hsi-Chuan Chen; David Hung-Chang Du; Li-Ren Liu (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1993)

The calculation of signal stable ranges in combinational circuits. - Li-Ren Liu; Hsi-Chuan Chen; David Hung-Chang Du (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1994)

An efficient parallel critical path algorithm. - Li-Ren Liu; David Hung-Chang Du; Hsi-Chuan Chen (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1994)