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Drabenstott, K.M.; Weller, M.S.: Failure analysis of subject searches in a test of a new design for subject access to online catalogs (1996)
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Markey, K.: Searching and browsing the Dewey Decimal Classification in an online catalog (1987)
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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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Holley, R.P.; Killheffer, R.E.: Is there an answer to the subject access crisis? (1981)
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