1. CEN. EN 1998-3. Eurocode 8: design of structures for earthquake resistance—part 3: assessment and retrofitting of buildings. Brussels: European Committee for Standardization; 2005.
2. ICC. International building code. Washington, DC: International Code Council; 2012.
3. ICC. International existing building code. Washington, DC: International Code Council; 2012.
4. ASCE. Seismic evaluation and retrofit of existing buildings (ASCE/SEI 41-13). Reston: American Society of Civil Engineers; 2014.
5. NTC08. Norme Tecniche per le Costruzioni. Decreto del Ministero delle infrastrutture, Supplemento Ordinario n.30 alla Gazzetta Ufficiale della Repubblica italiana n.29 del 4/02/2008. 2008 (in Italian).