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  1. Jörgensen, C.; Liddy, E.D.: Information access or information anxiety? : an explanatory evaluation of book index features (1996) 0.01 
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    Abstract
    The authors conducted a controlled user study in both print and electronic environments and present here a subset of results from index use in the print format
  2. Hert, C.A.; Jacob, E.K.; Dawson, P.: ¬A usability assessment of online indexing structures in the networked environment (2000) 0.01 
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