au.\*:("LEWIS CK")
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HOW TO DETERMINE THE ECONOMIC LIFE OF A MINING PROPERTY.LEWIS CK.1969; ENGNG MING J.; USA; 1969(10), VOL. 170, NUM. 0010, P. 78 A 79Miscellaneous
DETERMINATION OF OPTIMUM ORE RESERVES AND PLANT SIZE BY INCREMENTAL FINANCIAL ANALYSIS.HALLS JL; BELLUM DP; LEWIS CK et al.1969; TRANS. INST. MIN. METALL., G.B; GBR; 1969(1), VOL. 78, NUM. 0746Miscellaneous
DIGITAL CONTROLS FOR CONTINUOUS COPPER SMELTING.MARCHANT GR; LEWIS CK; HALES DB et al.1978; INSTRUMENT. TECHNOL.; U.S.A.; DA. 1978; VOL. 25; NO 6; PP. 51-57Article