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3. Flexural–torsional post-buckling analysis of thin-walled elements with open sections
4. Yoo C.H., Lee S.C., Stability of Structures, first ed. - Principles and Applications (Butterworth-Heinemann, Boston, USA, 2011)
5. Eurocode 3: European Committee for Standardization. EN 1993-1-1. Eurocode 3: Design of steel structures. Part 1–1: General rules and rules forbuildings, (Brussels, 2005)