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