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, USA, 16. October 1968
History Symposium of the International Academy of Astronautics ; 1
;
1967
;
Belgrade, Serbia
History Symposium of the International Academy of Astronautics ; 1 (Belgrade, Serbia) : 1967.
History Symposium of the International Academy of Astronautics ; 2
;
1968
;
New York, NY
History Symposium of the International Academy of Astronautics ; 2 (New York, NY) : 1968.
1974
VI, 307 S.
Ill., graph. Darst.
Conference Proceedings
English