1. AISC. 2001. Manual of steel construction. Load and resistance factor design. 3rd ed. American Institute of Steel Construction, Chicago, Ill.
2. AISC. 2003. Design guide No. 9: Torsional analysis of structural members. 2nd ed. Edited by P.A. Seaburg and C.J. Carter. American Institute of Steel Construction, Chicago, Ill.
3. AISC. 2005. Steel construction manual. 13th ed. American Institute of Steel Construction, Chicago, Ill.