00645cam a2200205 7i4500 0000006208 20070724090000.0 20050909000000.0 xx 00010 eng 0471033790 TN500 .K44 1982 Kelly Introduction to mineral processing Errol G. Kelly, David J. Spottiswood. New York: John Wiley, 1982. xxiv, 491 p.: ill.; 28 cm.. Includes bibliographical references and index Ores Ore-dressing Spottiswood, David J. 0000007157 Book Open Shelf HQ Library