Rami, Tapan M., and Prasanta Kundu. “Investigation on Polarization – Depolarization Current Measurements in Insulation Systems for High Voltage Motor”. Power Research - A Journal of CPRI (March 3, 2012): 25–30. Accessed May 6, 2024. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/658.