Grewal, G. S., and B. S. Rajpurohit. “Field Computation of Efficiency of Induction Machine Working on Unbalanced Conditions Using Modified Non-Intrusive Air-Gap Method”. Power Research - A Journal of CPRI (March 10, 2016): 43–50. Accessed May 2, 2024. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/223.