Intensification of floor-bench extraction in the mining of thick gently dipping deposits by the room-and-pillar mining system

  • 05.15.02

Sverdlovsk

126 pp.

Intensification of floor-bench extraction in the mining of thick gently dipping deposits by the room-and-pillar mining system — Shchepkin, Yuriy Petrovich — 1990 — Russian Dissertation Library