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Raghavan, K.S.: ¬The general theory of classification as the basis for structuring of subject headings (1985(?))
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Raghavan, K.S.: Education for knowledge organization : the Indian scene (2005)
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Raghavan, K.S.: ¬The Colon Classification : a few considerations on its future (2015)
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Souza, S.d.: Informacion : utopia y realidad de la bibliotelogia (1996)
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Styltsvig, H.B.: Ontology-based information retrieval (2006)
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Justeson, J.S.; Katz, S.M.: Technical terminology : some linguistic properties and an algorithm for identification in text (1995)
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