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| Auteur principal: | |
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| Format: | Recurso educativo Open Access |
| Langue: | en |
| Publié: |
1970
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| Sujets: | |
| Accès en ligne: | https://eric.ed.gov/?id=EJ027215 |
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Table des matières:
- Catalog Retrieval Systems on Microfiche. A Preliminary Evaluation Dagnese, Joseph M. Catalogs Evaluation Information Retrieval Information Storage Library Services Microfiche Surveys Union Catalogs The survey examines three commercial services which reproduce on microfiche the catalog card output of the Library of Congress. Two services which index the National Union Catalog (NUC) and the Title II depository cards by LC card number are also described. (Author/NH)