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2. J. S. Benjamin and T. E. Volin:Met. Trans., 1974, vol. 5, p. 1929.
3. B. A. Wilcox and A. H. Clauer:Acta Met., 1972, vol. 20, p. 743.
4. Nickel-Base, Vacuum-Cast, Hith Temperature Alloy IN-738, Technical data sheet, International Nickel Ltd., Thames House Millbank, London, Sept. 1968.
5. High Temperature, High Strength Nickel-Base Alloys, The International Nickel Company, Inc., 67 Wall street, New York, N.Y. 10005, June 1968.