Bondarev, O. M., Kryvchykov, O. E., Yagoda, D. A., Bondareva, V. S. and Ryadkovskiy, V. V. (2013) “Theoretical and experimental evaluation of strength indices of bogie frame transoms for trailing cars of electric trains ER9M, ER9E”, Science and Transport Progress , (6(48), pp. 120–131. doi: 10.15802/stp2013/19759.