1. S. Otani, K. Okuda andH. S. Matsuda,Carbon Fiber (1983) p. 231.
2. K. Kawata, S. Umekawa andK. Kobayashi, ?Composites '86: Recent Advances in Japan and the United States? (1986) p.1.
3. S. Otani andA. Oya,Carbon Fiber Nyumon (1983) p. 71.
4. Y. D. Park andI. Mochida, Japan Carbon Society, 13th Annual Meeting, Tsukuba, Extended Abstracts (1983) p. 10.
5. Y. Korai andI. Mochida, Japan Carbon Society, 13th Annual Meeting, Tsukuba, Extended Abstracts (1986) p. 12.