1. Al-Ali AAK, Krawinkler H. Effects of vertical irregularities on seismic behavior of building structures. Report no. 130. Stanford, USA: The John A. Blume Earthquake Engineering Center, Department of Civil and Environmental Engineering, Stanford University; 1998.
2. Ambraseys N, Smit P, Sigbjornsson R, Suhadolc P, Margaris B. Internet-Site for European strong-motion data. European Commission, Research-Directorate General, Environment and Climate Programme; 2002.
3. American Society of Civil Engineers (ASCE). Handbook for the seismic evaluation of buildings—a prestandard. In: Prepared for the Federal Emergency Management Agency, FEMA-310, Washington, DC; 1998.
4. ATC. Earthquake damage evaluation data for California. ATC-13 report. Redwood City, California: Applied Technology Council; 1985.
5. Bazzuro P, Franco G, Alarcon J. Observations from the magnitude 6.3 L’Aquila Earthquake. AIR Worldwide Corporation; 2009. .