1. Aschheim M Maffei J. and Black E. (1998) Nonlinear Static Procedures and Earthquake
2. Displacement Demands Proceedings of the 6 th U.S. National Conference on Earthquake
3. Engineering Earthquake Engineering Research Institute Seattle 31 May - 4 June.
4. Seismic Evaluation and Retrofit of Concrete Buildings;Products,1996
5. the Proposition 122 Seismic Retrofit Practices Improvement Volume prepared for the California