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Stone, A.T.: That elusive concept of 'aboutness' : the year's work in subject analysis, 1992 (1993)
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Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992)
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Vasiljev, A.: Online subject access to library holdings (1986)
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Lam, V.-T.: Enhancing subject access to monographs in Online Public Access Catalogs : table of contents added to bibliographic records (2000)
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Pirmann, C.: Tags in the catalogue : insights from a usability study of LibraryThing for libraries (2012)
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