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) (Dec. 2013), 120–131. DOI:https://doi.org/10.15802/stp2013/19759.