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Millsap, L.; Ferl, T.E.: ¬The knuckle-cracker's dilemma : a transaction log study of OPAC subject searching (1996)
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Millsap, L.; Ferl, T.E.: Search patterns of remote users : an analysis of OPAC transaction logs (1993)
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Coyle, K.: ¬The virtual union catalog : a comparative study (2000)
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Berger, M.; Moore, M.J.: ¬The user meets the MELVYL system (1996)
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