1. Normas Técnicas Complementarias para Diseño por Sismo;NTCS-2004;Gaceta Oficial del Distrito Federal,2004
2. International seismic zone tabulation proposed by the 1997 UBC code: Observations for Mexico;Tena-Colunga;Earthquake Spectra,1999
3. Manual de Diseño de Obras Civiles. Diseño por Sismo;MOC-93;Instituto de Investigaciones Eléctricas, Comisión Federal de Electricidad,1993
4. Uniform Building Code. 1997 edition. International conference of building officials. Whittier (CA); 1997
5. International Building Code, 2000 edition. International conference of building officials. Whittier (CA); 2000