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Hert, C.A.: User goals on an online public access catalog (1996)
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- Journal of the American Society for Information Science. 47(1996) no.7, S.504-518
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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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- Journal of the American Society for Information Science. 51(2000) no.11, S.971-988