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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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Bett, C.E.: ¬The Subject Access Project : a comparison with PRECIS (1979)
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Wormell, I.: Factual data retrieval according to SAP-technique (1983)
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Wormell, I.: Factual data retrieval according to SAP technique (1983)
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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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Markey, K.: ¬The process of subject searching in the online catalog : final report of the Subject Access Project (1983)
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