Articles "The Future of Solar Satellites,” Wall Street Journal, March 23, 1976 "Colonies in Orbit," O'Neil, G. R., NY Times Magazine on January 18, 1976 "Solar Cell Cost Projections," Greenberg, J. S., Astronautic of Aeronautics, January 1976 "Electric Power System for Space," Taylor, G. F., Ast. & Aero, December 1975 "Energy Since the Oil War," Grey, J., Ast. & Aero, November 1975 "Solar Technologies," Van Hippel, F., Williams, R. H., November 1975, BUL. of the Atomic Scientists (general article on Solar Energy) "Initial Space Counization Concepts and R&D Aims," Astronautics and Aeronautics, March 1976
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