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Chisman, J.K.: Creating keyword indexes using PC-File Plus (1991)
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Cutter, C.A.: Subjects (1985)
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Lee, H.-L.; Olson, H.A.: Hierarchical navigation : an exploration of Yahoo! directories (2005)
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Reid, B.J.: Information and library literature on CD-ROM : a review article (1993)
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Arp, L.: ¬An analytical history of 'library literacy' (1994)
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