01230nam0-2200313---450-99000989717040332120140923102748.0000989717FED01000989717(Aleph)000989717FED0100098971720140923d1968----km-y0itay50------baengUSa-------101yyStatus of practical rock mechanicsproceedings ninth Symposium on rock mechanics held at the Colorado School of Mines Golden, Colorado april 17-19, 1967edited by Niles E. Grosvenor and Bartlett W. Paulding jr.symposium sponsored jointly by Society of Mining Engineering of AIME ...[et al.]New YorkAmerican Institute of Mining, Metallurgical and Petroleum Engineers1968XI, 496 p.ill.24 cmMeccanica delle rocceConvegniGrosvenor,Niles E.Paulding,Bartlett W.<jr.>Symposium on rock mechanics9.<1967 ;Golden, Colorado>523728ITUNINARICAUNIMARCBK990009897170403321ZA 8/109905DINGEDINGEStatus of practical rock mechanics829245UNINA