1. and Proceedings, 27th Ann. SPI RP/C Inst., Section 11-D (1972).
2. Product Information Bulletin No. 1, Inorganic Fibers Div., Pigments Dept., E. I. du Pont de Nemours & Co. (November 1971).
3. ?Elements of X-Ray Diffraction,? p. 82, Addison-Wesley, Reading, Mass. (1956).
4. ?Modern Composite Materials,? and eds., pp. 78-92, Addison-Wesley, Reading, Mass. (1967).
5. ?Formulas for the Elastic Properties of Fiber-Reinforced Composites,? AD 834-851 (June 1968).