1. Federal Emergency Management Agency (FEMA). NEHRP guidelines for the seismic rehabilitation of buildings. Reports FEMA 273 (guidelines) and 274 (commentary). Washington, DC; 1997.
2. Federal Emergency Management Agency (FEMA). Prestandard and commentary for the seismic rehabilitation of buildings. Report FEMA 356. Washington, DC; 2000.
3. Federal Emergency Management Agency (FEMA). Improvement of nonlinear static seismic analysis procedures. Report FEMA 440. Washington, DC; 2005.
4. American Society of Civil Engineers (ASCE). Seismic rehabilitation of existing buildings. ASCE/SEI standard 41-06; 2007.
5. Assessment of improved nonlinear static procedures in FEMA 440;Akkar;J Struct Eng (ASCE),2007