AL Shamaa, Fathi, and Fatima Salman. 2010. “The Effect of Mechanical Combined Contact Stress With Buckling Load on the Stress Distribution in the Ball and Socket Joint Mechanism”. Al-Khwarizmi Engineering Journal 6 (1): 69-79. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/480.