1. The mechanical properties of beryllium have been summarized by F. E. Bryson:Mach. Des., 1971, vol. 43. no. 25, p. 136.
2. For a review of this topic, see S. H. Gelles:Impurity Effects in Beryllium, Metals and Ceramics Information Center Report, MCIC 72-06, 1972.
3. H. P. Rooksby:J. Nucl. Mater., 1962, vol. 7, p. 205.
4. J. A. Carrabine:J. Nucl. Mater., 1963, vol. 8, p. 278.
5. A. Moore, F. Morrow, V. D. Scott, and D. A. Cheer: inThe Metallurgy of Beryllium, p. 112, Institute of Metals, London, 1963.