1. Ishikawa, T., Yamamura, T., Hirokawa, T., Hayashi, Y., In Proceedings of the 9th International Conference on Composite Materials, Vol II, ed. A. Miravette. Woodhead Publishing Co., Madrid, Spain, July 1993, pp. 137–144.
2. Choury, J. J., In Proceedings of 1st International FGM Symposium, ed. M. Yamanouchi et al.. FGM Forum, Sendai, Japan, Oct. 1990, pp. 157–167.
3. Köberle, H., Mühlratzer, A. and Peetz, K., In Proceedings of 13th International European Chapter Conference of SAMPE. SAMPE, Hamburg, Germany, May 1992, pp. 175–183.
4. Haug, T., Ostertag, R. and Schäfer, W., ibid., 163–173.
5. Kobayashi, H., Todoroki, A., Ohtake, K., Imai, Y. and Ichikawa, H., In Proceedings of 1993 Annual Meeting. Japan Society for Composite Materials, JSCM, Tokyo, Japan, May 1993, pp. 21–22 (in Japanese).