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Jörgensen, C.; Liddy, E.D.: Information access or information anxiety? : an explanatory evaluation of book index features (1996)
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Liddy, E.D.; Jorgensen, C.: Modelling information seeking behaviours in index use (1993)
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Hert, C.A.; Jacob, E.K.; Dawson, P.: ¬A usability assessment of online indexing structures in the networked environment (2000)
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