A propagation-delay expression and its application to the optimization of polysilicon emitter ECL processes. - Eng-Fong Chor; Arthur Brunnschweiler; Peter Ashburn (IEEE J. Solid State Circuits, 1988)

Comparison of silicon bipolar and GaAlAs/GaAs heterojunction bipolar technologies using a propagation delay expression. - Peter Ashburn; Ali A. Rezazadeh; Eng-Fong Chor; Arthur Brunnschweiler (IEEE J. Solid State Circuits, 1989)