1. M. Imanaka and T. Iwata, Journal of Adhesion, in press.
2. A.N. Gent, Journal of Polymer Science, Part A-2, 9 (1971) 283?294.
3. T. Tanaka and K. Taniyama, Proceedings of the 19th Japan Congress on Material Research (1976) 179?184.
4. H. Nakayama, K. Tozawa, A. Hirano and O. Okubo, Journal of Adhesion Society of Japan 13 (1977) 4?11, in Japanese.
5. M. Imanaka, W. Kishimoto, K. Okita and H. Nakayama, Journal of Composite Materials 18 (1984) 412?419.