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Lewis, D.W.: Research on the use of online catalogs and its implications for library practice (1987)
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Borgman, C.L.: Why are online catalogs still hard to use? (1996)
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Miller, D.R.; Brewer, K.: Usefulness of OCLC archive tapes as a basis for local online systems (1982)
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Senzig, D.: Library catalogs for library users (1984)
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Larson, R.R.; Carson, C.: Information access for a digital library : Cheshire II and the Berkeley environment digital library (1999)
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