1. Dynamics of Structures. McGraw-Hill: New York, 1993.
2. Bladed for Windows User Manual. Garrad Hassan and Partners: Bristol, 2000.
3. International Conference of Building Officials, Uniform Building CodeTM, Vol. 2. California, 1997.
4. Response Spectrum Method. Blackwell Scientific Publications: Oxford, 1990.
5. Eurocode 8: design provisions for earthquake resistance of structures. ENV 1988-1-2, 1996.