Gespeichert in:
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| Format: | Recurso educativo Open Access |
| Sprache: | en |
| Veröffentlicht: |
1974
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| Schlagworte: | |
| Online-Zugang: | https://eric.ed.gov/?id=EJ113311 |
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Inhaltsangabe:
- Free Information Price, John F. College Science Earth Science Geology Information Services Information Sources Library Services Reference Materials Reference Services Science Education Science Materials Describes the services of the National Referral Service of the Library of Congress which assists people with questions in science and technology by referring them to organizations which can answer those questions. (BR)