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Tenopir, C.: Online databases : the new generation of online search software (1993)
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Sieverts, E.G.; Lobbestael, G.; Groeniger, B.O.; Provost, F.; Sikovà, ?: Software for information storage and retrieval tested, evaluated and compared : pt.5: personal information managers, hypertext and relevance ranking programs (1992)
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Golub, K.: Automated subject indexing : an overview (2021)
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Mensching, T.: Trends in bibliographic instruction in the 1980s : a comparision of data from two surveys (1989)
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Ahmed, M.; Mukhopadhyay, M.; Mukhopadhyay, P.: Automated knowledge organization : AI ML based subject indexing system for libraries (2023)
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