1. 1) J. Takahashi, “Polymer based composite materials for lightening automobile”, Journal of Society of Automotive Engineers of Japan, Vol.59, No.11, pp.17-23 (2005).
2. 2) S. Nakamura, “Recent development in material technology for aircraft structure”, Journal of The Japan Institute of Light Metals, Vol.62, No.6, pp.249-256 (2012)
3. 3) M. Onuki, T. Yamaguchi, M. Miki and T Iwamoto, “The application of structurally unsymmetric laminated construction for CFRP golf club shaft”, Japan Society of Mechanical Engineers, Vol.77, No.773, pp.201-207 (2011).
4. 4) K. Yonemaru, T. Fujisaki, K. Sugizaki, T. Nakatsuji and H. Suzuki, “Basic study to apply CFRP pipes to structural use”, Architectural Institute of Japan, Vol.542, pp.195-202 (2001).
5. 5) E. Yasuda, “Carbon fiber from micro to nano”, The Carbon Society of Japan, No.248, pp.112-121 (2011).