Gravity concentration technology : Richard O. Burt ; assisted by Chris Mills. vol. 5 : developments in mineral processing / Burt, Richard O. Mills, Chris. Gravity concentrators. TN520 .B87 1984 622.751 19 RUG Includes bibliographies and indexes. Amsterdam ; New York : Elsevier, c1984. c1984. 1984 Text xiii, 605 p. : eng Developments in mineral processing 5