Juan M. Calderon´, Wilfrido Moreno, and Alfredo Weitzenfeld. “Impact Force Reduction Using Fuzzy Variable Stiffness in a Jumping Robot”. Journal of Network and Innovative Computing 4 (April 1, 2016): 12. Accessed September 23, 2026. https://www.nwpub-jnic.org/index.php/jnic/article/view/116.