Search (2 results, page 1 of 1)

  • × year_i:[1960 TO 1970}
  • × theme_ss:"Retrievalstudien"
  1. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.00
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    Source
    Journal of documentation. 22(1966), S.203-209
  2. Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969) 0.00
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    Source
    Journal of documentation. 25(1969) no.1, S.1-27