Толстиков, А.Н., and Н.Г. Толстиков. “Thermal Protection of the Contact System of Electrotransport”. Eastern-European Journal of Enterprise Technologies 2, no. 7(44) (April 6, 2010): 30–32. Accessed July 18, 2024. https://journals.uran.ua/eejet/article/view/2698.