| 其他書名 | 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 |
| 出版 | American Astronautical Society, 1985 |
| 主題 | Technology & Engineering / Aeronautics & Astronautics |
| ISBN | 08770324329780877032434 |
| URL | http://books.google.com.hk/books?id=TJdTAAAAMAAJ&hl=&source=gbs_api |