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  • × theme_ss:"OPAC"
  1. Allen, B.: Topic knowledge and online catalog search formulation (1991) 8.93 
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  2. Allen, B.; Allen, G.: Cognitive abilities of academic librarians and their patrons (1993) 8.93 
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  3. Allen, B.: Improved browsable displays : an experimental test (1993) 8.93 
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