1. H. Brooks: Metall. Trans., 1972, vol. 3, pp. 759–68.
2. Final Report of The National Commission on Materials Policy, June 1973, Library of Congress Card No. 73-600202.
3. Report of the Committee on the Survey of Materials Science and Engineering, National Academy of Sciences, Washington, D.C., 1974, followed by four appendices published in 1975.
4. Final Report of The National Commission on Materials Policy, June 1973, pp. 1–4.
5. J. Boyd: Metall. Trans., 1974, vol. 5, pp. 5–10.