Open Science Research Excellence
M. H. Nagrial and  J. Rizk and  A. Hellany,  Design of Synchronous Torque Couplers.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2011, vol. 55(7). 1319 - 1324[viewed 24 July 2019]. Available from: http://waset.org/publications/11651.