Ballistic intercept missions to Comet Emcke : final report of the Comet Encke Ballistic Engineering Panel /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
NASA,
1975
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| Series: | NASA technical memorandum ;
X-72542 |
| Subjects: |