“An Optimum Design of Cam Mechanisms With Roller Follower for Combined Effect of Impact and High Contact Loads”. Al-Khwarizmi Engineering Journal 6, no. 4 (December 1, 2010): 62–71. Accessed April 30, 2025. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/513.