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2. 2) Iwan, W. D. ed.: Strong-Motion Earthquake Instrument Arrays, Proc. of International Workshop on Strong-Motion Earthquake Instrument Arrays, May, 1978.
3. 3) Bolt, B. A., Loh, C. H., Penzien, J. and Tsai, Y. B.: Preliminary Report on the SMART-1 Array in Taiwan. Earthquake Engineering Research Center Report, No. UCB/EERC-82/13, University of California, Berkeley, 1982.
4. 4) Iwasaki, T., Sasaki, Y., Tamura, K., Aizawa, K. and Takahashi, K.: Dense Instrument Array System by PWRI for Observing Strong Earthquake Motion, 18th Joint Meeting, U. S. -Japan Panel on Wind and Seismic Effects, UJNR, May, 1986.
5. 5) Tamura, K., Winterstein, S. R. and Shah, H. C.: Random Field Models of Spatially Varying Ground Motions, The John A. Blume Earthquake Engineering Center Report, No. 92, Stanford University, October, 1990.