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Wiley, D.L.: Can the traditional abstracting and indexing services survive? : From print to Internet ... (1994)
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Shaw, D.: Automating access to bibliographic information (1996)
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Gorman, G.E.; Mills, J.J.: Guide to current indexing and abstracting services in the third world (1992)
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Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993)
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Smeaton, A.F.: Progress in the application of natural language processing to information retrieval tasks (1992)
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