Gregg Hansen, W. M., O. D. Lashko, V. F. Ushkalov, T. F. Mokryi, I. Yu. Malysheva, and I. A. Mashchienko. “COMPREHENSIVE MODERNIZATION OF BOGIES 18-100 TO REDUCE WHEEL WEAR AND IMPROVE RIDE QUALITY OF FREIGHT CARS”. Science and Transport Progress , no. 5 (December 25, 2004): 215–219. Accessed May 5, 2024. https://stp.ust.edu.ua/article/view/20676.