Washington, DC : National Aeronautics and Space Administration : National Oceanic and Atmospheric Administration ; London, United Kingdom : United Kingdom Department of the Environment ; Nairobi, Kenya : United Nations Environment Program ; Geneva, Switzerland : World Meteorological Organization, 1991-
Washington, DC : National Aeronautics and Space Administration ; London, U.K. : U.K. - Dept. of the Environment ; Washington, DC : National Oceanic and Atmospheric Administration ; Nairobi, Kenya : United Nations Environment Program ; Geneva, Switzerland : World Meteorological Organization, [1990]-
Washington, DC : National Aeronautics and Space Administration ; London, United Kingdom : United Kingdom Department of the Environment ; Washington, DC : National Oceanic and Atmospheric Administration ; Nairobi, Kenya : United Nations Environment Program ; Geneva, Switzerland : World Meteorological Organization, [1990?]
Washington, DC : National Aeronautics and Space Administration : National Oceanic and Atmospheric Administration : Federal Aviation Administration ; Geneva, Switzerland : World Meteorological Organization ; Nairobi, Kenya : United Nations Environment Program, [1988?]
Greenbelt, Maryland : National Aeronautics and Space Administration ; Washington, D.C. : Federal Aviation Administration : National Oceanic and Atmospheric Administration ; Nairobi, Kenya : United Nations Environment Program ; Geneva, Switzerland : World Meteorological Organization ; Brussels, Belgium : Commission of the European Communities ; Munchen : Bundesministerium für Forschung und Technologie, 1985