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Peters, T.A.: When smart people fail : an analysis of the transaction log of an online public access catalog (1989)
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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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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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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
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