por Kidybinski, A [editor] | Dubinsky, J [editor] | International Bureau of Strata Mechanics.
por International Conference Geomechanics 91 (hradec, Ostrava, Checoslovaquia) | Rakowski, Zikmund [editor] | Ceskoslovenska Akademie Ved. Mining Institute | International Bureau of Strata Mechanics | International Society Of Water Jet Technology.
por Simposio La Mecanica De Rocas En Mexico (1982) | Gomez Valle, Rodolfo [editor] | Bello Maldonado, Aturo A [editor] | Conconi Minutella, Roberto [editor] | Sociedad Mexicana De Mecanica De Rocas.
por Gil, Henry K, 1913- [autor] | Krauze, Jolanta [traductor].