[1]
M. Kotełko, “Ultimate Load and Postfailure Behaviour of Box-Section Beams Under Pure Bending”,
Eng. Trans.
, vol. 44, no. 2, pp. 229–251, Jul. 1996, Accessed: Jul. 13, 2025. [Online]. Available:
https://et.ippt.pan.pl/index.php/et/article/view/1460