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  • × author_ss:"Allen, R.B."
  1. Allen, R.B.: Retrieval from facet spaces (1996) 5.97 
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  2. Allen, R.B.: Navigating and searching in digital library catalogs (1994) 5.97 
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  3. Allen, R.B.: ¬Two digital library interfaces that exploit hierarchical structure (1995) 5.97 
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