00930nam0-2200313---450 99000971665040332120181012120628.0000971665FED01000971665(Aleph)000971665FED0120130416d1967----km-y0itay50------baengUSa-------001yyRock mechanics and the design of structures in rockLeonard Obert, Wilbur I. DuvallNew York [etc]John Wiley ans sons1967XIX, 650 p.ill.24 cmMeccanica delle rocceObert,Leonard519739Duvall,Wilbur I.519740ITUNINARICAUNIMARCBK990009716650403321N4/557812DINGEN5/24163DINTRDINGEDINTRRock mechanics and the design of structures in rock843757UNINA