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Borko, H.; Bernier, C.L.: Indexing concept and methods (1978)
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Indexers on indexing : a selection of articles published in "The Indexer" (1978)
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Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
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Garfield, E.: Citation indexing : its theory and application in science, technology, and humanities (1979)
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