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Peters, T.A.; Kurth, M.: Controlled and uncontrolled vocabulary subject searching in an academic library online catalog (1991)
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Söderholm, G.: OPAC user study : Stockholm University Library (1991)
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Hunter, R.N.: Successes and failures of patrons searching the online catalog at a large academic library : a transaction log analysis (1991)
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Hancock-Beaulieu, M.; Robertson, S.; Neilson, C.: Evaluation of online catalogues : eliciting information from the user (1991)
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Chen, H.-M.; Cooper, M.D.: Using clustering techniques to detect usage patterns in a Web-based information system (2001)
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