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2. Arakawa, T., Kawashima, K., Aizawa, K., Takahashi, K.(1981)“Strong-motion observation at civil engineering structures.” Technical note of the Public Works Research Institute, No.1734.
3. Yokoyama, K., Tamura, K., Honda, R., Chiba, M., Sugita, H.(1998)“New facilities of dense instrument observation of strong earthquake ground motion by The Public Works Research Institute.” Technical note of the Public Works Research Institute, No.3567.
4. NILIM website http://www.nilim.go.jp