S. V. Vinogradov, Y. G. Eschenko, V. B. Ubushaev. "TRANSPORT COMMUNICATIONS OF SOUTHERN RUSSIA IN THE INITIAL PERIOD OF THE GREAT PATRIOTIC WAR (1941-1942)." 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 (2018): 159-164. https://doi.org/10.5593/sgemsocial2018H/21/S05.020