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  • × theme_ss:"Retrievalstudien"
  1. Cooper, W.S.: ¬The paradoxal role of unexamined documents in the evaluation of retrieval effectiveness (1976) 9.40 
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  2. Cooper, W.S.: Gedanken experimentation : an alternative to traditional system testing? (1981) 9.40 
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  3. Cooper, W.S.: ¬On selecting a measure of retrieval effectiveness, revisited (1973) 9.40 
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