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2. 2) CDIT : Gomubougenzai no Ijikanri Guideline, Coastal Development Institute of Technology Library, No. 40, Mar. 2013. (in Japanese)
3. 3) Japan Meteorological Agency : http://www.data.jma.go.jp/gmd/cpd/cgi-bin/view/index.php, Accessed June 29, 2015.
4. 4) Japan section of PIANC : Report of the Japanese commission for the design of fender systems, Permanent International Association of Navigation Congress, pp. 122-124, Mar. 1980. (in Japanese)
5. 5) Ueda, S., Umemura, T., Shiraishi, S., Yamamoto, S., Akakura, Y. and Yamase, S. : Toukeiteki Syuhou niyoru Senpaku Setsuganyou Bougenzai no Sekkei nikansuru Kenkyu, Proceedings of Coastal Engineering, JSCE, Vol. 47, pp. 866-870, 2000. (in Japanese)