Global Environment Monitoring System ; prepared in cooperation with the Monitoring and Assessment Research Centre, Chelsea College, University of London, London, England
prepared in cooperation with the WHO Collaborating Centre on Air Pollution Control, Office of Research and Development, United States Environmental Protection Agency, and WHO Collaboration Centre on Clinical and Epidemiological Aspects of Air Pollution, Medical Research Council Air Pollution Unit, St. Bartholomew's Hospital Medical College
National Research Council (U.S.). Board on Environmental Studies and Toxicology. Committee on Advances in Assessing Human Exposure to Airborne Pollutants