An operational system for subject switching between controlled vocabularies : a computational linguistics approach /
| Main Author: | |
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| Corporate Authors: | , , |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.?]:
National Aeronautics and Space Administration, Scientific and Technical Information Branch,
1984
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| Series: | NASA contractor report
NASA CR-3838 |
| Subjects: |