Geomechanical substantiation of technical and technological parameters of powered supports in mining steeply inclined and steep coal seams by longwalls along the strike with unstable roofs

  • 05.15.02

Moscow

164 pp.

Geomechanical substantiation of technical and technological parameters of powered supports in mining steeply inclined and steep coal seams by longwalls along the strike with unstable roofs — Orlov, Vladimir Dmitrievich — 1993 — Russian Dissertation Library