1. Executive Office of the President, National Critical Materials Council, “Advanced Materials Program Plan … the Continuation of a Presidential Commitment” (1989).
2. A.R.C. Westwood, Met. Trans. B, 19B (April 1988), p. 155.
3. Congress of the U.S., Office of Technology Assessment, “Advanced Materials by Design” (June 1988).
4. M.F. Ashby,Phil.Trans. Roy. Soc. London, A322 (1987), p. 393.
5. Scientific American, 255(4) (Oct. 1986).