A robust over-the-cell channel router. - Lih-Der Chang; Pei-Yung Hsiao; Jin-Tai Yan; Paul-Waie Shew (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1993)

Efficient Algorithms for Two and Three-Layer Over-the-Cell Channel Routing. - Paul-Waie Shew; Jin-Tai Yan; Pei-Yung Hsiao; Yong-Ching Lim (ISCAS, 1994)