Gubar Oleksiy Vasilyevich. Grounding of the standards of conformation and maintenance of track for curves with radiuses less than 350 m : к.т.н. : spec.. 05.22.06 - Залізнична колія : presented. 2011-10-13; popup.evolution: .; Dniepropetrovsk National University of Railway Transport. – , 0411U005921.

Updated: 2026-10-21