00394nam a22001457a 4500 20260601101320.0 260601b |||||||| |||| 00| 0 eng d 0-04-622005-4 eng 622.2 BRA/R Brady, B.H.G. Rock Mechanics For Underground Mining / by B.H.G. Brady London: George Allen & Unwin; 1985. BK 47692 47692