1. AASHTO (1999). Guide Specifications for sEismic Isolation Design, Washington DC: American Association of State Highway Officials.
2. ASCE (1998). Evaluation Findings for Skellerup Base Isolation Elastomeric Bearings, Technical Evaluation Report, (CERF Report: HITEC 98-12), prepared by the Highway Innovative Technology Evaluation Center.
3. Ali, H.M. and Abdel-Ghaffar, A.M. (1995), “Modeling of rubber and lead passive-control bearings for seismic analysis.” Journal of Structural Engineering, Vol. 121, No. 7, pp. 1134–1144.
4. Buckle, I.G. and Mayes, R.L. (1990). “Seismic isolation: history, application and performance — A world overview.” Earthquake Spectra, Vol. 6, pp. 161–202.
5. Chopra, A.K. (2001). “Dynamics of Structures: Theory and Applications to Earthquake Engineering.” Wiley: New Jersey, U.S.A. pp. 288–295.