Cover of the work “Improving the technical level and safety of mining operations in coal seams with difficult-to-control roofs”. Author: Shundulidi, Aleksandr Ivanovich. Degree: Doctor of Sciences. Year: 1999

Improving the technical level and safety of mining operations in coal seams with difficult-to-control roofs

  • 05.15.02

Moscow

40 pp.

Improving the technical level and safety of mining operations in coal seams with difficult-to-control roofs — Shundulidi, Aleksandr Ivanovich — 1999 — Russian Dissertation Library