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Austin, D.; Digger, J.A.: PRECIS: The Preserved Context Index System (1985)
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Anderson, J.D.; Radford, G.: Back-of-the-book indexing with the nested phrase indexing system (NEPHIS) (1988)
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International encyclopedia of information and library science (2003)
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Desmarais, N.: Microsoft's Encarta : an encyclopedia that entertains while it teaches (1993)
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Benson, E.; Dunn, L.R.: ¬The 'Routledge Encyclopedia' project : indexing tools and management techniques for large documents (1993)
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