Planetary Exploration, 1968-1975 is the report of a study convened by the Space Science Board to consider planetary exploration. The group reappraised the recommendations of the Board's 1965 Woods Hole Study in the light of advances in scientific knowledge and changing demands upon the nation's resources.
National Research Council. Planetary Exploration, 1968-1975; Report of a Study by the Space Science Board, Washington, D.C., June 1968. Washington, DC: The National Academies Press, 1968.
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