1. 8) SCHNABEL P. B. SHAKE, A computer program for earthquake response analysis of horizontally layered sites. Report No. EERC 72-12. Berkeley. (1990)
2. MICROTREMOR OBSERVATION OF SCHOOL BUILDINGS IN KUSHIRO CITY
3. 14) GIBERSON M. F. Two nonlinear beams with definitions of ductility. Journal of the Structural Division, Proceedings of the American Society of Civil Engineers. (1969) vol.95, no.ST2, p.137-157.
4. 15) TAKEDA T. Reinforced Concrete response to simulated earthquakes. Journal of the Structural Division, Proceedings of the American Society of Civil Engineers. ASCE. (1970) vol.96, no.ST12, p.2557-2573.