Improving leaching recovery of copper from low-grade chalcopyrite ores.Published in:Minerals & Metallurgical Processing, 2013, v. 30, n. 3, p. 180By:Ekenes, J. M.;Caro, C. A.Publication type:Article
Big Copper Busts the Union.Published in:Business & Society Review (00453609), 1984, n. 48By:Rosta, JosephPublication type:Article