1. Ohsaki Y. The effects of local soil conditions upon earthquake damage. Proceedings Specialty Session on Soil Dynamics, 7th ICSMFE; 1969.
2. Soil conditions and damage in the 1967 Caracas Earthquake;Seed;J Soil Mech Found, ASCE,1972
3. A reconnaissance report for the Romanian earthquake of 4 March 1977;Tezcan;Eng Struct Dyn,1979
4. Rosenblueth E. Earthquake of 28 July 1957 in Mexico City, Proceedings second WCEE, vol. 1, 1960. p. 359–79.
5. Seed HB, Romo MP. Relationships between soil conditions and earthquake ground motions in Mexico City in the earthquake of September 19, 1985. Report No. EERC-87-15, University of California, Berkeley; 1987.