1. I. Perlmutter: High Performance Jet Engine Design Dependent Upon Metallurgical Ingenuity. Journal of Metals, vol. 6, no. 2, Feb. 1954.
2. R. Schlaifer and S. D. Herron: Development of Aircraft Engines and Aviation Fuels. Published by Harvard University Graduate School of Business Administration, 1950. Much of the historical background in this paper has been derived from this book.
3. F. S. Badger, Jr. and W. O. Sweeney, Jr.: Metallurgy of High Temperature Alloys Used on Current Gas Turbine Designs, A.S.T.M. Symposium on Gas Turbines. Forty-Ninth Annual Meeting, Buffalo, New York, June 1946.
4. U.S. Patent No. 2,562,854 (W. O. Binder).
5. N. J. Grant and O. Preston: Dispersed Hard Particle Strengthening of Metals. Journal of Metals, vol. 9, No. 3, Mar. 1957.