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United Nations Environment Programme ,  [Environmental aspects of Selected Non-ferrous Metals (Cu, Ni, Pb, Zn, Au) Ore Mining: A Technical Guide - Technical Report Series No. 5] ,  Environmental aspects of Selected Non-ferrous Metals (Cu, Ni, Pb, Zn, Au) Ore Mining: A Technical Guide - Technical Report Series No. 5

United Nations Environment Programme ,  Inter-Organization Programme for the Sound Management of Chemicals (IOMC) ,  [Technical and Economic Criteria for Processing Mercury-Containing Tailings - Final Report] ,  Technical and Economic Criteria for Processing Mercury-Containing Tailings - Final Report

United Nations Environment Programme ,  [Environmental Aspects of Alumina Production: An Overview] ,  Environmental Aspects of Alumina Production: An Overview

United Nations Environment Programme ,  [Technical and Economic Criteria for Processing Mercury-Containing Tailings: Final Report] ,  Technical and Economic Criteria for Processing Mercury-Containing Tailings: Final Report