1. AGARD Lecture Series No. 55, Composite Materials, p. 3-1, AGARD-LS-55 (1972).
2. and ASTM STP 497, p. 3, ASTM (1970).
3. and ?Composite Materials Workshop,? p. 233, Technomic (1968).
4. ?Composite Materials Workshop,? p. 254, Technomic (1968).
5. Anisotropic strength of composites