Astakhov, V. N., E. N. Lysikov, and P. E. Konovalov. “Estimation of Modes Frictions and Greasing in Bearing Axial Hanging of Locomotives”. Science and Transport Progress , no. 40 (April 25, 2012): 55–62. Accessed November 21, 2024. https://stp.ust.edu.ua/article/view/6924.