Giżejowski M, Barszcz A, Wiedro P. Refined energy method for the elastic flexural-torsional buckling of steel H-section beam-columns. Part II: Comparison and verification for elements LTU and LTR. ace [Internet]. 2023 Jun. 30 [cited 2026 Oct. 20];69(2):265-89. Available from: https://wydawnictwo.pan.pl/index.php/ace/article/view/4103