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Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
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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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Moore, N.L.: LISA indexing : economic aspects of controlled indexing (1988)
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Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993)
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Peek, R.: Will abstracting-and-indexing services become passé? : Repackaging with value-added services is on this searcher's wish list (1998)
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