Umanov, M. I., V. V. Kovalov, and S. M. Sova. “RESEARCH OF STRESS-STRAIN STATE OF THE TRACK WITH CONNECTION OF CHECKPOINT”. Science and Transport Progress , no. 2 (November 25, 2003): 101–105. Accessed May 3, 2024. https://stp.ust.edu.ua/article/view/21245.