Mining systems adjusted to high rock pressure conditions proceedings of the 9th Plenary Scientific Session of the International Bureau of Strata Mechanics, World Mining Congress, Varna, 18-21 June, 1985 - International Bureau of Strata Mechanics. Plenary Scientific Session (9th : 1985 : Varna, Bulgaria). (Rotterdam A.A. Balkema, 1986)
Keywords: Mining engineering--Congresses.; Rock mechanics--Congresses.