1. Chang K. C. “Behavior of Structural Steels Under Cyclic and Nonproportional Loading ” thesis submitted to the Faculty of the Graduate School of the State University of New York at Buffalo in partial fulfillment of the requirements for the Degree of Doctor of Philosophy Feb. 1985.
2. Cofie N. G. “Cyclic Stress‐Strain and Moment‐Curvature Relationships for Steel Beams and Columns ” thesis submitted to the Department of Civil Engineering and the Committee of Graduate Studies of Stanford University in partial fulfillment of the requirement of the Degree of Doctor of Philosophy June 1983.
3. Plastic Internal Variables Formalism of Cyclic Plasticity
4. Cyclic Plasticity: Some Properties of the Hysteresis Curve of Structural Metals at Room Temperature