Dems K, Kleiber M. Physically and Geometrically Nonlinear Analysis of Structures Using One- and Two-Dimensional Finite Elements. Eng. Trans. [Internet]. 1976 Dec. 31 [cited 2026 Mar. 14];24(4):771-86. Available from: https://et.ippt.gov.pl/index.php/et/article/view/2329