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  • × author_ss:"Sormunen, E."
  • × author_ss:"Vakkari, P."
  • × year_i:[2000 TO 2010}
  1. Vakkari, P.; Sormunen, E.: ¬The influence of relevance levels an the effectiveness of interactive information retrieval (2004) 0.00 
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    Date
    17. 2.1997 18:25:04