Priyadharshini. J, Sanjitha. S, and Nandhakumar. T. “Design of a Two Resonating Coil WPT System for Portable Electronics Load”. Journal of Power Electronics and Devices, vol. 2, no. 1, Feb. 2017, pp. 10-19, http://matjournals.co.in/index.php/JOPED/article/view/6499.