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CONGRES
PUBLIC EDUCATION AND THE INTERNATIONAL SPACE YEAR
McLUCAS J. L., INTERNATIONAL ASTRONAUTICAL FEDERATION, IAF, J. L. MCLUCAS | INTERNATIONAL ASTRONAUTICAL FEDERATION | 1989
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CONGRES
COMMERCIAL OPERATIONS IN SPACE, 1980-2000
McLUCAS J. L., AMERICAN ASTRONAUTICAL SOCIETY, AAS, J. L. McLUCAS, C. SHEFFIELD, SHEFFIELD C. | AMERICAN ASTRONAUTICAL SOCIETY | 1981