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               Richard Binzel (Massachusetts Institute of Technology,
              USA)
              Edward Bowell (Lowell Observatory, USA)
              Clark Chapman (Planetary Science Institute, USA)
              Louis Friedman (The Planetary Society, USA)
              Tom Gehrels (University of Arizona, USA)
              Eleanor Helin (Caltech/NASA Jet Propulsion Laboratory, USA)
              Brian Marsden (Harvard/Smithsonian Center for Astrophysics,
              USA)
              Alain Maury (Observatoire de la Cote d'Azur, France)
              Thomas Morgan (NASA Headquarters, USA)
              David Morrison (NASA Ames Research Center, USA)
              Karri Muinonen (Helsinki University, Finland)
              Steven Ostro (Caltech/NASA Jet Propulsion Laboratory, USA)
              John Pike (Federation of American Scientists, USA)
              Jurgen Rahe (NASA Headquarters, USA)
              R. Rajamohan (Indian Institute of Astrophysics, India)
              John Rather (NASA Headquarters, USA)
              Ken Russell (Anglo-Australian Observatory, Australia)
              Eugene Shoemaker (U.S. Geological Survey, USA)
              Andrej Sokolsky (Institute for Theoretical Astronomy, USSR)
              Duncan Steel (Anglo-Australian Observatory, Australia)
              David Tholen (University of Hawaii, USA)
              Joseph Veverka (Cornell University, USA)
              Faith Vilas (NASA Johnson Space Center, USA)
              Donald Yeomans (Caltech/NASA Jet Propulsion Laboratory, USA)
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