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2. Metals Handbook, ASM, 1948.
3. J. W. Weeton and R. A. Signorelli: NASA Technical Note D-3530, August, 1966.
4. L. J. Broutman and R. H. Krock:Modern Composite Materials, Addison-Wesley, Reading, Mass., 1967.
5. D. L. McDaniels, R. W. Jech, and J. W. Weeton: NASA Technical Note D-1881, October, 1963.