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2. B. Walser, E.S. Kayali, and O.D. Sherby, “Warm Working and Superplasticity in Plain UHCS,” 4th Intl. Conf. on Strength of Metals and Alloys, vol. 1 (August 1976), pp. 266–270.
3. O.D. Sherby et al. “Superplastic UHCSs,” U.S. Patent 3,951,697 (20 April 1976).
4. Stanford University, Final Report DAHC-15-73-G15;O.D. Sherby,1977
5. Stanford University, Final Report ONR-N00014-17-C-0149;O.D. Sherby,1980