1. Dobry R, Ramos R, Power MS. Site factors and site categories in seismic codes. Technical Report MCEER-99-0010: Multidisciplinary Center for Earthquake Engineering Research; 1999.
2. Soil conditions and building damage in 1967 Caracas earthquake;Seed;J Soil Mech Found Div, ASCE,1972
3. Seed HB, Romo MP, Sun J, Jaime A, Lysmer J. Relationships between soil conditions and earthquake ground motions in Mexico City in the earthquake September 19, 1985. Report UCB/EERC-87/15: Earthquake Engineering Research Center, University of California, Berkeley; 1987.
4. Engineering implications of ground motions from the Northridge earthquake;Chang;Bull Seism Soc Am,1996
5. Tokimatsu K, Arai H, Asaka Y. Two-dimensional shear wave structure and ground motion characteristics in Kobe based on microtremor measurements. Geotechnical Earthquake Engineering and Soil Dynamics III, Geotechnical Special Publication No. 75: ASCE; 1998. p. 703–13.