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.
| Corporate Authors: | , | 
|---|---|
| פורמט: | ספר | 
| שפה: | English | 
| יצא לאור: | New York
          United Nations
    
        1969. | 
| נושאים: |