1. Bright, P. F., Crowson, P. J. and Folkes, M. J. (1978) Journal of Materials Science, 13, 2497–506.
2. Bright, P. F. and Darlington, M. W. (1981) Plastics and Rubber Processing and Applications, 1, 139–47.
3. Oyanagi, Y., Yamaguchi, Y., Kitagawa, M. et al. (1981) Kobunshi Ronbunshu, 38, 285–90.
4. Sanou, M., Chung, B. and Cohen, C. (1985) Polymer Engineering and Science, 25, 1008–16.
5. Kamal, M. R., Song, L. and Singh, P. (1986) Polymer Composites, 7, 323–9.