1. M. D. Skibo, J. Janiszewski, R. W. Hertzberg andJ. A. Manson, in ?Toughening of plastics I? (Plastics and Rubber Institute, London, 1978) p. 25.1.
2. Der-Jin Woan, M. Habibullah andJ. A. Sauer,Polymer 22 (1981) 699.
3. J. A. Sauer andC. C. Chen,Polymer Engng. Sci. 24 (1984) 786.
4. J. A. Manson, R. W. Hertzberg, M. J. Caling, M. T. Hahn, J. Hwang, J. Turkanis andG. Attalla, in ?Toughening of plastics II? (Plastics and Rubber Institute, London, 1985) p. 5.1.
5. J. A. Sauer andC. C. Chen,ibid.in ?, (Plastics and Rubber Institute, London, 1985) p. 26.1.