1. AISC
(2001) "Manual of Steel Construction Load and Resistance Factor Design " 3rd Edition American Institute of Steel Construction Chicago IL.
2. AISC (1997 2002 and 2005a). "Seismic Provisions for Structural Steel Buildings " American Institute of Steel Construction Chicago IL.
3. AISC
(2005) "Manual of Steel Construction " 13th Ed. American Institute of Steel Construction Chicago IL.
4. Herman D. (2007) a thesis submitted in partial fulfillment of the Master of Science Degree at the University of Washington Seattle WA.
5. ICBO
(1994) "Uniform Building Code " International Conference of Building Officials Whittier CA.