TY - BOOK AU - Tilyard,P.A. ED - Bougainville Copper, Ltd., Papua New Guinea. ED - Institution of Mining and Metallurgy. TI - Recent developments in grinding and flotation at Bougainville Copper, Ltd., Papua New Guinea PY - 1981/// CY - [London?] PB - Institution of Mining and Metallurgy KW - Ore dressing KW - Papua New Guinea KW - Flotation N1 - "Manuscript received by the Institution of Mining and Metallurgy on 13 April 1981. paper published in Trans. Instn Min. Metall. (Sect.C: Mineral Process. Extr. Metall.) 90, Sept. 1981 ER -