1. G. S. Ansell, in ?Metallurgical Society conferences on oxide dispersion strengthening?, edited by G. S. Ansell, T. D. Cooper and F. V. Lenel (Gordon and Breach, New York, 1966) p. 61.
2. C. T. Sims (editor), in ?The superalloys? (Wiley, New York, 1972) p. 197.
3. D. J. Chellman, Report from Lockheed-California Co. to National Aeronautics and Space Administration, Langley Research Center, Report 172 408 (1984).
4. G. B. Alexander and S. F. West, US Patent 3 028 234 (1962).
5. C. J. Smithells (editor), in ?Metals reference book?, 5th Edn (Butterworths, Boston, 1976) p. 1089.