Visin, M. H., B. T. Vlasenko, A. I. Kyiko, and V. V. Kovalyov. “MODERNIZATION OF THE POWER CIRCUIT OF AN ELECTRIC LOCOMOTIVE DA1”. Science and Transport Progress , no. 26 (February 25, 2009): 43–50. Accessed May 2, 2024. https://stp.ust.edu.ua/article/view/14576.