Development and improvement of safe methods for the extraction of steep, rockburst-hazardous seams prone to sudden coal outbursts

  • 05.15.02

Saint Petersburg

130 pp.

Development and improvement of safe methods for the extraction of steep, rockburst-hazardous seams prone to sudden coal outbursts — Zhigalin, Yuriy Ivanovich — 1995 — Russian Dissertation Library