For citations:
Pevzner V.O., Kaplin V.N., Abrashitov A.N., Semak A.V. Track alignment on crushed ballast with installation of under sleeper pads and pneumatic shovel packing. RUSSIAN RAILWAY SCIENCE JOURNAL. 2018;77(2):104-109. (In Russ.) https://doi.org/10.21780/2223-9731-2018-77-2-104-109