1. OneSteel Australian Tube Mills, (OATM),2008
2. Theory of Elastic Stability;Timoshenko,1961
3. Flexural Torsional Buckling of Structures;Trahair,1993
4. Cold-Formed Steel Design;Yu,2000
5. Web distortional and flexural-torsional buckling;Hancock;ASCE J Struct Div,1980