Valencia, Angie, Oscar Aviles, and Mauricio Mauledoux. “Sliding Modes for a Manipulator Arm of 4 Degrees of Freedom”. International Journal of Online and Biomedical Engineering (iJOE) 13, no. 10 (November 7, 2017): pp. 114–122. Accessed November 23, 2024. https://online-journals.org/index.php/i-joe/article/view/7498.