Improvement of the technology of coal seam extraction during the development of stoping from development workings: exemplified by the Vorkuta deposit

  • 05.15.02

Saint Petersburg

220 pp.

Improvement of the technology of coal seam extraction during the development of stoping from development workings: exemplified by the Vorkuta deposit — Tkhorikov, Igor' Yur'yevich — 1997 — Russian Dissertation Library