O. Ettouney

An Approximate Model to Calculate Foldover and Strains During Cold Upsetting of Cylinders Part II: Use of the Foldover Model to Estimate Friction

Kim A. Stelson, Osama M. Ettouney, K. Stelson, 1990 .

A Method for In-Process Failure Prediction in Cold Upset Forging

D. Hardt, O. Ettouney, 1983 .