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   2. Prof. B. Naveen Bardiya, T. karthik, L Bhaskara Rao “Analysis and Simulation of Gearless Transmission Mechanism", International Journal Of Core Engineering & Management (IJCEM) ,Volume 1, Issue 6, September 2014, Page.no: 136-142
   3. Prof. Mahantesh Tanodi, “Gearless power transmission- offset parallel shaft coupling", International Journal of engineering Research and Technology (IJERT), volume 3, Issue 3, March 2014, Page.no.129- 132.
   4. R.S. Khurmi and J.K Gupta, “Theory of machines”, S. Chand publications, Hyderabad, IInd edition, 2008, Page.no: 569- 589.
   5. https://www.youtube.com/watch?v= School of Mechanical and Building Sciences.
   6. Book s. s. rattan Mc Graw Hill Education (India) private limited, New Delhi. [7] PSG Design data book by Dr. P. Mahadevan.