Proposal for a lunar tunnel-boring machine /
| Main Author: | |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington, D.C.] :
[National Aeronautics and Space Administration],
May 5,1988.
|
| Series: | NASA contractor report ;
NASA CR-184746. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo62812 |
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