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United Nations Environment Programme ,  World Health Organization ,  [Air Quality Management and Assessment Capabilities in 20 Major Cities] ,  Air Quality Management and Assessment Capabilities in 20 Major Cities

United Nations Environment Programme ,  World Health Organization ,  [Exposure Monitoring of Nitrogen Dioxide: An International Pilot Study Within the WHO/UNEP Human Exposure Assessment Location (HEAL) Programme] ,  Exposure Monitoring of Nitrogen Dioxide: An International Pilot Study Within the WHO/UNEP Human Exposure Assessment Location (HEAL) Programme

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  World Health Organization ,  [Mycotoxines 1987 - Rapport de la deuxième Conference internationale mixte FAO/OMS/PNUE sur les mycotoxines, Micotoxinas 1987 - Informe de la segunda conferencia internacional mixta FAO/OMS/PNUMA] ,  [Nairobi + 10 : Mycotoxins 1987 - Report of the Second Joint FAO/WHO/IJNEP International Conference on Mycotoxins] ,  Nairobi + 10 : Mycotoxins 1987 - Report of the Second Joint FAO/WHO/IJNEP International Conference on Mycotoxins