Shkrabets, F. P., Ostapchuk, O. V., Kozhevnikov, A. V. and Akulov, A. V. (2015) “TECHNICAL AND ECONOMIC EVALUATION OF OPTIMAL VOLTAGE LEVEL FOR THE POWER SUPPLY OF DEEP MINE OPERATING HORIZONS”, Electrical Engineering and Power Engineering, (1), pp. 50–54. doi: 10.15588/1607-6761-2015-1-9.