1. R. C. Allen,Polymer Eng. Sci. 19 (1979) 329.
2. J. Aveston, Proceedings of the 3rd International Conference on Composite Materials, Vol. 1, Paris 1980 (Pergamon Press, Oxford, 1980) p. 556.
3. D. Hull andP. J. Hogg,ibid. p. 543.
4. J. C. Haarsma, paper 22-E, Proceedings of the 34th Annual Conference on Reinforced Plastics/Composites (Institute of the Society of the Plastics Industry, New Orleans, 1979).
5. S. Torp andR. Arvesen,ibid. paper 13-D.