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United Nations Environment Programme ,  [The State of the Environment 1987] ,  The State of the Environment 1987

United Nations Environment Programme ,  [Energie et Environnement en Méditerranee: Enjeux et Prospective - Les Fascicules du Plan Bleu 7] ,  Energie et Environnement en Méditerranee: Enjeux et Prospective - Les Fascicules du Plan Bleu 7

United Nations Environment Programme ,  [Bioenergy and the Environment. Westview Special Studies in Natural Resources and Energy Management] ,  Bioenergy and the Environment. Westview Special Studies in Natural Resources and Energy Management

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 ,  [A Review of 20 Years' Air Pollution Control in Beijing] ,  A Review of 20 Years' Air Pollution Control in Beijing

United Nations Environment Programme ,  [The State of the World Environment 1987] ,  The State of the World Environment 1987

United Nations Environment Programme ,  World Health Organization ,  [Assessment of Urban Air Quality] ,  Assessment of Urban Air Quality

United Nations Environment Programme ,  United Nations Development Programme ,  [Development and Harmonization of Environmental Laws Volume 2 : Report on the Development and Harmonization of Environmental Standards in East Africa] ,  Development and Harmonization of Environmental Laws Volume 2 : Report on the Development and Harmonization of Environmental Standards in East Africa

United Nations Environment Programme ,  Tata Energy Research Institute (TERI) ,  South Asia Cooperative Environment Programme (SACEP) ,  [India: State of the Environment 2001] ,  India: State of the Environment 2001

United Nations Environment Programme ,  World Health Organization ,  [Exposure Monitoring of Lead and Cadmium: An International Pilot Study within the WHO/UNEP Human Exposure Assessment Location (HEAL) Programme Technical Report] ,  Exposure Monitoring of Lead and Cadmium: An International Pilot Study within the WHO/UNEP Human Exposure Assessment Location (HEAL) Programme Technical Report