1. ASTM-D256-84. Annual Book of ASTM Standards, vol. 8.01, ASTM, Philadelphia (1985).
2. and Fracture Behavior of Polymers, Ch. 6, Elsevier Applied Science Publishers, New York (1983).
3. and Theory of Elasticity, McGraw-Hill, New York (1951).
4. EG&G 549 Microflash System manufactured by EG&G Electro-Optics, Salem, Mass.
5. Instrumented izod impact testing