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Root thesaurus. Pt.1.2 (1985)
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Aitchison, J.: Bliss and the thesaurus : the bibliographic classification of H.E. Bliss as a source of thesaurus terms and structure (1986)
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Scott, D.S.: Subject classification and natural-language processing for retrieval in large databases (1989)
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Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985)
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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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Aitchison, J.: ¬A classification as a source for a thesaurus : the bibliographic classification of H.E. Bliss as a source of thesaurus terms and structure (1986)
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