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Drabenstott, K.M.; Weller, M.S.: Testing a new design for subject searching in online catalogs (1994)
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Micco, M.: ¬The next generation of online public access catalogs : a new look at subject access using hypermedia (1991)
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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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Long, C.E.: Improving subject searching in Web-based OPACs : evaluation of the problem and guidelines for design (2000)
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Borgman, C.L.: Why are online catalogs still hard to use? (1996)
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