Subramaniam, A., S. Kumar Panda, M. Bagheri, N. J. Vasa, and R. Sarathi. “Analysis on Surface Discharge Patterns Caused by Harmonic AC Voltages”. Power Research - A Journal of CPRI, Mar. 2017, pp. 69-74, https://cprijournal.in/index.php/pr/article/view/137.