Pecník, Miroslav, and Viktor Borzovic. “Comparison of Various FEM Approaches in Analysis of Passive Earth Pressures”. Computer Assisted Methods in Engineering and Science 24, no. 4 (June 11, 2018): 253–258. Accessed April 19, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/205.