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World Meteorological Organization., United Nations Environment Programme, United States. Office of Mission to Planet Earth, and United States. National Aeronautics and Space Administration. Scientific Assessment of Ozone Depletion, 1994. Geneva, Switzerland : Nairobi, Kenya : Washington, DC, USA: World Meteorological Organization ; United Nations Environment Programme ; U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration : National Aeronautics and Space Administration : National Oceanic and Atmospheric Administration, Office of the Mission to Planet Earth, 1995.