1. Buckling Strength of Metal Structures;Bleich,1952
2. Theory of Elastic Stability;Timoshenko,1961
3. An analytical criterion for buckling strength of built-up compression members;Aslani;Eng J (AISC),1991
4. Buckling of built-up compression members in the plane of connectors;Temple;Can J Civ Eng,1993
5. Guide to Stability Design Criteria for Metal Structures;Galambos,1998