[1]
Kurhan, M.B., Korzhenevych, I.P., Toropov, B.I. and Smialkovskyi, V.Y. 2007. A RETROSPECTIVE EXAMINATION OF THE CLASSIFICATION OF RAILWAYS BY CATEGORIES. Science and Transport Progress . 16 (Jun. 2007), 37–40. DOI:https://doi.org/10.15802/stp2007/17612.