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United Nations Environment Programme ,  [Aspectos Ambientales en Mineria de Metales No Ferrosos (Cu, Ni, Pb, Zn, Au) - Inforne Tecnico No. 5] ,  Aspectos Ambientales en Mineria de Metales No Ferrosos (Cu, Ni, Pb, Zn, Au) - Inforne Tecnico No. 5

United Nations Environment Programme ,  Monitoring and Assessment Research Centre ,  [Cadmium in the European Community: A Prospective Assessment of Sources, Human Exposure and Environmental Impact – MARC Report Number 26] ,  Cadmium in the European Community: A Prospective Assessment of Sources, Human Exposure and Environmental Impact – MARC Report Number 26

United Nations Environment Programme ,  [Environmental and Safety Incidents concerning Tailings Dams at Mines: Results of a Survey for the Years 1980-1996] ,  Environmental and Safety Incidents concerning Tailings Dams at Mines: Results of a Survey for the Years 1980-1996

United Nations Environment Programme ,  World Health Organization ,  International Labour Organisation ,  [Phosphine and Selected Metal Phosphides - Environmental Health Criteria 73] ,  Phosphine and Selected Metal Phosphides - Environmental Health Criteria 73

United Nations Environment Programme ,  [Dental Amalgam and its Impact on the Environment: Some Facts and Figures - Information for Dentists] ,  Dental Amalgam and its Impact on the Environment: Some Facts and Figures - Information for Dentists

United Nations Environment Programme ,  [Dental Amalgam and its Impact on the Environment - Some Facts and Figures] ,  Dental Amalgam and its Impact on the Environment - Some Facts and Figures