1. Reglamento de construcciones para el Distrito Federal,1976
2. Economics of seismic design for new buildings;Ferritto;J. Struct. Engrg.,1984
3. Fundamentals of Earthquake Engineering;Newmark,1971
4. Damage and risk considerations for selecting seismic design requirements;Esteva,1984
5. Optimum design for infrequent disturbances;Rosenblueth;J. Struct. Div., ASCE,1976