Schaefer, Robert, and Stanisław Sędziwy. “Filtration in Cohesive Soils: Mathematical Model”. Computer Assisted Methods in Engineering and Science 6, no. 1 (March 31, 1999): 1–13. Accessed February 23, 2026. https://cames.ippt.pan.pl/index.php/cames/article/view/1322.