Serdiuk, T. M. “THE DISTRIBUTION OF HARMONICS TRACTION CURRENT ALONG THE LENGTH OF THE FEEDER ZONE AND THEIR IMPACT ON THE OPERATION OF TRACK CIRCUITS”. Science and Transport Progress , no. 14 (February 25, 2007): 16–23. Accessed May 3, 2024. https://stp.ust.edu.ua/article/view/17761.