Rańda, Jacek, Kevin W. Colville, and Oskar Mahrenholtz. “Non-Constant Coefficient Friction Models in 3d Simulation of Drawing Processes”. Computer Assisted Methods in Engineering and Science 8, no. 4 (December 31, 2001): 609–628. Accessed March 5, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/1163.