Roy,H.S. Extraction of nonferrous metals / H.S.Roy,Sridhar,K.P.Abrahan - New Delhi : Affiliated East-West Press, c1985 - x, 531 p. ; 24 cm. Includes index ISBN: Rs. 104.00 Subjects--Topical Terms: Nonferrous metal industriesHeat resistant alloys Dewey Class. No.: 669.7