Atlas, N. V., O. V. Donchenko, Yu. Ya. Vodjannikov, and T. V. Shelejko. “Study of the Frame Design of the Trolley Car Subway to Determine the Reliability of Its Elements”. Science and Transport Progress , no. 31 (February 25, 2010): 7–10. Accessed November 22, 2024. https://stp.ust.edu.ua/article/view/13401.