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Huffman, G.D.; Vital, D.A.; Bivins, R.G.: Generating indices with lexical association methods : term uniqueness (1990)
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- Information processing and management. 26(1990) no.4, S.549-558
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Leininger, K.: Interindexer consistency in PsychINFO (2000)
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Subrahmanyam, B.: Library of Congress Classification numbers : issues of consistency and their implications for union catalogs (2006)
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