1. Hot Rolled Products of Structural Steels – Part 6: Technical Delivery Conditions for Flat Products of High Yield Strength Structural Steels in the Quenched and Tempered Condition;BS EN 10025–-6,2004
2. High strength steel for steel construction;Willms,2009
3. Theory of Elastic Stability;Timoshenko,1961
4. Thin-Walled Elastic Beams;Vlasov,1961
5. Inelastic Lateral-Torsional Buckling of Beam-Columns;Galambos,1963