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Gayle L. May

Space Exploitation and Utilization: Proceedings of the First AAS/JRS Symposium
Space, a vital stimulus to our national well-being: 31st Goddard Memorial Symposium. World space programs and fiscal reality : 30th Goddard Memorial Symposium
Space Exploitation and Utilization Symposium
Strengthening Cooperation in the 21st Century (Advances in the Astronautical Sciences, Volume 91)
Humans and Machines in Space The Vision, the Challenge, the Payoff, 29th Goddard Memorial Symposium, Mar. 14-15, 1991, Washington, D. C.