1. Federal Emergency Management Agency (FEMA) Pre-standard and commentary for the seismic rehabilitation of buildings FEMA-356 2000
2. Federal Emergency Management Agency (FEMA) Recommended provisions for improvement of nonlinear static seismic analysis procedures FEMA-440 2005
3. American Society of Civil Engineers (ASCE) Standard for seismic rehabilitation of existing buildings ASCE-41-06 2007
4. Effect of inelastic behavior on the response of simple systems to earthquake motions;Veletsos;Proceedings of the Second World Conference on Earthquake Engineering,1960
5. Deformation spectra for elastic and elastoplastic systems subjected to ground shock and earthquake motions;Veletsos;Proceedings of the Third World Conference on Earthquake Engineering,1965