1. American Institute of Steel Construction (2005) ANSI / AISC 341-05 Seismic Provisions for Structural Steel Buildings Published by the American Institute of Steel Construction Chicago Illinois
2. American Society of Civil Engineers (2005) ASCE / SEI 7-05 Miminum Design Loads for Buildings and Other Structures Published by the American Society of Civil Engineers
3. Gupta A. and Krawinkler H. (1999). "Seismic demands for performance evaluation of steel moment resisting frame structures." John A. Blume Earthquake Engineering Center Report No. 132 Stanford University.