1. AASHTO. Standard specification for highway bridges. 16th ed. 1996.
2. AASHTO. Standard specification for plain and laminated elastomeric bridge bearings. M251-97. Washington (DC); 1997.
3. ASTM. Standard specification for plain and laminated elastomeric bearings for bridges. D4014-89. West Conshohocken (PA); 1989.
4. Test method for determining the shear modulus of elastomeric bearings;Topkaya;ASCE Journal of Structural Engineering,2002
5. Eurocode. Structural bearings: part 3, elastomeric bearings. Drafts Documents No. prEN 1337-3, 1996.