J. Walczak and J. Zacharzewski, “Numerical Interpretations of Creep Buckling Behavior 
of Columns”, Eng. Trans., vol. 30, no. 1, pp. 3–19, Mar. 1982, Accessed: Jul. 14, 2025. [Online]. Available: https://et.ippt.pan.pl/index.php/et/article/view/1964