1. Toughened Plastics, Applied Science Publishers, New York (1977).
2. and Fracture Behavior of Polymers, Applied Science Publishers, Ltd. (1983).
3. U.S. Pat. 4,174,358, assigned to E. I. du Pont de Nemours & Co. (Nov. 13, 1979).
4. and U.S. Pat. 4,427,828, assigned to Firestone Tire & Rubber Co. (Aug. 20, 1982).
5. and U.S. Pat. 4,429,076, assigned to Asahi Kasei, Kogyo Kabushiki Kaisha (Jan. 31, 1984).