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Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992)
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Drabenstott, K.M.: Classification to the rescue : handling the problems of too many and too few retrievals (1996)
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Larson, R.R.: Classification clustering, probabilistic information retrieval, and the online catalog (1991)
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Drabenstott, K.M.; Weller, M.S.: Testing a new design for subject searching in online catalogs (1994)
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McCarthy, C.: ¬A reference librarian's view of the online subject catalog (1989)
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