Gnaciński, P., and D. Hallmann. “Preliminary Study on Induction Motor under Voltage Fluctuation by Using Field Methods”. Scientific Journal of Gdynia Maritime University, no. 98 (October 30, 2017): 64–70. Accessed September 18, 2024. https://sjgmu.umg.edu.pl/index.php/sjgmu/article/view/215.