A.]]M. Kidybinski]]Kwasniewski.Application of rock mechanics to planning and design prior to mining (1983 : Essen)：proceedings of the 8th Plenary Scientific Session of the International Bureau of Strata Mechanics, 1983, Essen.A. A. Balkema,1984.
Application of rock mechanics to planning and design prior to mining (1983 : Essen)：proceedings of the 8th Plenary Scientific Session of the International Bureau of Strata Mechanics, 1983, Essen
A.]]M. Kidybinski]]Kwasniewski.A. A. Balkema,1984.
