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Smith, E.H.: Enhancing subject accessibiliy to the online catalog (1991)
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Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992)
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Roe, S.: Online subject access (1999)
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Murdock, P.R.: Cataloging catalysis toward a new chemistry of conscience, communication and conduct in the online catalog (1989)
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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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