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- [45] Thiocarbamide leaching of gold and silver from refractory ores and concentrates Lodeitshikov, V.V., 1600, Gordon & Breach Science Publ Inc, Newark, NJ, United States (15): : 1 - 4
- [47] Intensification of heap leaching for ill-conditioned oxidized copper ores Gornyi Zhurnal, 2001, (11): : 75 - 78