Teterko, O. A., M. A. Babjak, and M. O. Kostin. “THE OPERATIONAL RELIABILITY OF THE CONTACT CONNECTIONS OF ELECTRO-CONTACTORS AND CONTACTORS ECG-8G OF AC LOCOMOTIVES”. Science and Transport Progress , no. 18 (October 25, 2007): 41–45. Accessed April 29, 2024. https://stp.ust.edu.ua/article/view/17438.