Pabisek, Ewa. “Identification of an Equivalent Model for Granular Soils by FEM NMM P-EMP Hybrid System”. Computer Assisted Methods in Engineering and Science 18, no. 4 (December 31, 2011): 283–290. Accessed May 8, 2026. http://cames.ippt.gov.pl/index.php/cames/article/view/106.