Hussein Bakhy, Sadeq. 2014. “Modeling of Viscoelastic Contact and Grasping Stability of Hemicylindrical Fingertips for Robotic and Prosthetic Hands”. Journal of Engineering and Sustainable Development 18 (5): 106-33. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/952.