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Garfield, E.: Citation indexing : its theory and application in science, technology, and humanities (1979)
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- Naturwissenschaften / Zitierindex (SWB)
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Lancaster, F.W.: Vocabulary control for information retrieval (1986)
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Gödert, W.; Hubrich, J.; Nagelschmidt, M.: Semantic knowledge representation for information retrieval (2014)
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Keyser, P. de: Indexing : from thesauri to the Semantic Web (2012)
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Mulvany, N.C.: Indexing books (2005)
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