Search Results       Your search for [subject]Aeronautics -- Hist -- Congresses returned 1 record.           First step toward space; proceedings history symposia of the International Academy of Astronautics at Belgrade, Yugoslavia, 26 Sept. 1967., and New York, U. S. A., 16 Oct. 1968. Washington: Smithsonian Institution Press, 1974. Subject: Aeronautics -- Hist -- Congresses; Rocketry -- Hist -- Congresses.          Add to Book Cart Relevance: 17.48%