Aliawdin, Piotr, and Sergei Kasabutski. “Limit and Shakedown Analysis of RC Rod cross‐sections”. Journal of Civil Engineering and Management 15, no. 1 (March 31, 2009): 59-66. Accessed October 3, 2024. https://jau.vgtu.lt/index.php/JCEM/article/view/6387.