1. American Institute of Steel Construction (AISC). Load and resistance factor design specification for structural steel buildings. Chicago (IL): AISC; 1999
2. Structural stability: theory and implementation;Chen,1987
3. User’s guide (volume 1), version 1.5: Structural research and analysis corp;COSMOS/M,1995
4. Non-linear finite element analysis of solids and structures;Crisfield,1995
5. Guide to stability design criteria for metal structures;Galambos,1998