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Drabenstott, K.M.: Experiences with online catalogs in the USA using a classification system as a subject searching tool (1990)
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Dillon, M.; Jul, E.: Cataloging Internet resources : the convergence of libraries and Internet resources (1996)
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Vizine-Goetz, D.: Online classification : implications for classifying and document retrieval (1996)
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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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