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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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Larson, R.R.: ¬The decline of subject searching : long-term trends and patterns of index use in an online catalog (1991)
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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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King, N.S.: End-user errors : a content analysis of PaperChase transaction logs (1993)
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