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Efthimiadis, E.N.: ¬A study of end-user behaviour in searching CD-ROM bibliographic databases (1994)
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Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992)
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Yee, M.M.: System design and cataloging meet the user : user interfaces to online public access catalogs (1991)
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Hawk, W.B.; Wang, P.: Users' interaction with the World Wide Web : problems and problem solving (1999)
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