Science Indicators, the 1985 Report
Washington, DC: National Science Board [NSB], 1985. 314 p.
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Children's Health and the Environment in North America: A First Report on Available Indicators and Measurements Unknown creator (Commission for Environmental Cooperation of North America [CEC] = Comisión para la Cooperación Ambiental (CCA) = La Commission de coopération environnementale (CCE), 2006-01)