(1991). Environmental aspects of selected non-ferrous metals (Cu, Ni, Pb, Zn, Au) ore mining: A technical guide. Paris: United Nations Environment Programme, Industry and Environment Programme Activity Centre.
Chicago Style CitationEnvironmental Aspects of Selected Non-ferrous Metals (Cu, Ni, Pb, Zn, Au) Ore Mining: A Technical Guide. Paris: United Nations Environment Programme, Industry and Environment Programme Activity Centre, 1991.
MLA CitationEnvironmental Aspects of Selected Non-ferrous Metals (Cu, Ni, Pb, Zn, Au) Ore Mining: A Technical Guide. Paris: United Nations Environment Programme, Industry and Environment Programme Activity Centre, 1991.
Warning: These citations may not always be 100% accurate.