1. AISC-ASD (1989) Manual of steel construction-allowable stress design, 9 t h edn. American Institute of Steel Construction, Chicago
2. Altair OptiStruct (2013) http://www.altairhyperworks.com/Product,19,OptiStruct.aspx . Accessed Sept 2013
3. Ang AH-S, Tang WH (1984) Probabilistic concepts in engineering planing and design. Decision, risk and reliability, vol II. Wiley, New York
4. ARUP (2013) http://www.arup.com/ . Accessed Sept 2013
5. ASCE/SEI Standard 41-06 (2006) Seismic rehabilitation of existing buildings, prepublication edition. Structural Engineering Institute, American Society of Civil Engineers