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  • × author_ss:"Cooper, W.S."
  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Cooper, W.S.: ¬The paradoxal role of unexamined documents in the evaluation of retrieval effectiveness (1976) 0.02
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    Source
    Information processing and management. 12(1976), S.367-375