Cyanidation and Concentration of Gold and Silver Ores
Dorr, John V.
Cyanidation and Concentration of Gold and Silver Ores - New York : McGraw-Hill Book Co., 1936. - 485 p. : tela ; 21 cm.
Cyanidation and Concentration of Gold and Silver Ores - New York : McGraw-Hill Book Co., 1936. - 485 p. : tela ; 21 cm.