Incremental processing applied to Steinberg's placement procedure. - Harold W. Carter; Melvin A. Breuer; Zahir A. Syed (DAC, 1979)

On routing for custom integrated circuits. - Zahir A. Syed; Abbas El Gamal; Melvin A. Breuer (DAC, 1982)

A new statistical model for gate array routing. - Abbas El Gamal; Zahir A. Syed (DAC, 1983)