CAPCOSTS A Handbook for Estimating Mining and Mineral ...
18MMPB1 Applied Rock Mechanics Hoek, E. and Brown, E.T., Underground Excavations in Rock, Institution of Mining and Metallurgy, London, 1981. Darling, P. , SME Mining Engineering Handbook, Vol I II, 3rd edition, SME Littleton, CO., 2011, 1984 p.