Practical benefits on space exploration a digest of papers presented at the United Nations Conference on the Exploration and Peaceful Uses of Outer Space, Vienna, 1968.
| مؤلفون مشاركون: | , |
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| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
New York
United Nations
1969.
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| الموضوعات: |