1. A. J. Kelly and G. J. Davies, Met. Rev. 10, No. 37 (1965).
2. B. Walter Rosen, ?Fibre Composite Materials? (American Society for Metals, 1965), p. 37.
3. L. J. Ebert and J. D. Gadd, ibid, p. 89.
4. H. R. Piehler, AFOSR 65-1246, ASRL TR 132-1 (June 1965).
5. D. L. McDaniels, R. W. Jech, and J. W. Weeton, Trans. AIME 233 (1965) 636.