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2. W. H. Chang:Superalloys-Processing, Proc. Second Int. Conf. on Superalloys, Seven Springs, AIME, 1972, Section V.
3. J. H. Wood: Unpublished work, General Electric Company, Schenectady, N. Y. 1974.
4. M. Prager and G. Sines:Trans. ASME, 1971, Series D, vol. 93, p. 225.
5. D. A. Woodford and R. H. Bricknell:Proc. Fourth Int. Conf. on Superalloys, Seven Springs, Sept., 1980, ASM.