1. D.S. Clark and W.R. Varney:Metallurgy for Engineers, 2nd Ed., D. Van Nostrand Company, New York, NY, 1973, p. 309.
2. J.G. Byrnes:Recovery, Recrystallization and Grain Growth, MacMillan Co., 1965, p. 100.
3. C. Zener: Private communication cited in C.S. Smith,Trans. AIME, 1948, vol. 175, p. 15.
4. E. Levine, I. Greenhut, and H. Margolin:Metall. Trans., 1973, vol. 4, p. 2519.
5. S. Ankem and H. Margolin:Metall. Trans. A, 1977, vol. 8A, p. 1320.