Search (3 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × year_i:[1960 TO 1970}
  1. Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969) 0.04 
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  2. Robertson, S.E.: ¬The parametric description of retrieval tests : Part II: Overall measures (1969) 0.04 
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  3. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01 
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    Source
    Journal of documentation. 22(1966), S.203-209

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