Mineral processing; proceedings of the sixth international congress held at Cannes, May 26-June 2,1963 / edited by A. Roberts. International Mineral Processing Congress (6th : 1963 : Cannes) Roberts, Albert F., 1911- ed. Société de l'industrie minérale, Saint-Étienne. Ore-dressing Congresses. Metallurgy Congresses. TN500 .I55 1963 549 ROM Organized by Société de l'industrie minérale. Oxford : Pergamon Press 1965. 1965. 1965 Text ix, 742 p. : eng