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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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Larson, R.R.: Classification clustering, probabilistic information retrieval, and the online catalog (1991)
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Markey, K.: Alphabetical searching in an online catalog (1989)
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Markey, K.: Searching and browsing the Dewey Decimal Classification in an online catalog (1987)
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Chan, L.M.: Library of Congress class numbers in online catalog searching (1989)
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