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Piascik, J.M.: Enhanced subject access in Ohio public libraries (1993)
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Gratch, B.; Settel, B.; Atherton, P.: Characteristics of book indexes for subject retrieval in the humanities and social sciences (1978)
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Lam, V.-T.: Enhancing subject access to monographs in Online Public Access Catalogs : table of contents added to bibliographic records (2000)
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Hauer, M.: Collaborative Catalog Enrichment : Digitalisierung und Information Retrieval (2011)
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Barnes, S.; McCue, J.: Linking library records to bibliographic databases : an analysis of common data elements in BIOSIS, Agricola, and the OPAC (1991)
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Wormell, I.: SAP: a new way to produce subject description of books (1981)
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Settel, B.; Cochrane, P.A.: Augmenting subject descriptions for books in online catalogs (1982)
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Hirshon, A.: Users Council explores expanding access to monographs (1990)
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Bett, C.E.: ¬The Subject Access Project : a comparison with PRECIS (1979)
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Dillon, M.: Enhanced bibliographic record retrieval experiments (1989)
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Mandel, C.A.; Herschman, J.: Online subject access : enhancing the library catalog (1983)
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Van Orden, R.: Content-enriched access to electronic information : summaries of selected research (1991)
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Dillon, M.; Wenzel, P.: Retrieval effectiveness of enhanced bibliographic records (1990)
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Michalak, T.J.: ¬An experiment in enhancing catalog records at Carnegie Mellon University (1990)
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