TY  - BOOK
ED  - Symposium on the History of Astronautics (1st : 1967 : Belgrad)
ED  - Durant, Frederick C., 1916-
ED  - James, George S.
ED  - International Academy of Astronautics
TI  - First steps toward space: proceedings of the first and second history symposia of the International Academy of Astronautics at Belgrade, Yugoslavia, 26 September 1967, and New York, U.S.A., 16 October 1968 
PY  - 1974///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Astronautics
KW  - History
KW  - Congresses
KW  - Rocketry
ER  -