1. R. Lantz and A. J. Beardell, International Jahrestagung (ICT, Karlsruhe, Germany, 1982) p. 639.
2. C. W. Fong and B. K. Moy, J. Ballistics
6 (1982) 1410.
3. L. E. Nielsen, “Mechanical Properties of Polymers and Composites” (Marcel Dekker, New York, 1974) Ch. 7.
4. S. Venzi, A. H. Priest and M. J. May, ASTM Special Technical Publication 563 (American Society for Testing and Materials, Philadelphia, 1974) p. 170.
5. J. E. Srawley, “Fracture”, Vol. 4, edited by H. Leibowitz (Academic Press, New York, 1969), Ch. 2.