G. Szefer and L. Mikulski, “Optimal Design of Elastic Arches with I Cross-Section”, Eng. Trans., vol. 32, no. 4, pp. 467–480, Dec. 1984, Accessed: Apr. 24, 2025. [Online]. Available: https://et3.ippt.pan.pl/index.php/et/article/view/1909