Kvedaras, Audronis Kazimieras, and Gintas Šaučiuvėnas. “Optimum Design of Steel Structures 2013”. Engineering Structures and Technologies 6, no. 1 (September 29, 2014): 42. Accessed February 23, 2025. https://transport.vgtu.lt/index.php/EST/article/view/3197.