1. M. Wilhelm and F. Aldinger:Z. Metallk., 1975, vol. 66, no. 6, p. 323, and references therein.
2. M. Wilhelm and F. Aldinger:Met. Trans. A, 1976, vol. 7A, p. 695.
3. The mechanical properties of beryllium have been summarized by F. E. Bryson:Mach. Des., 1971, vol. 43, no. 25, p. 136.
4. V. V. Damiano, B. La'evic, and G. J. London: Air Force Materials Laboratory Report, AFML-TR-69-70, 1969.
5. S. M. Myers and J. E. Smugeresky,Met. Trans. A, 1976, vol. 7A, p. 795.