Search (2 results, page 1 of 1)

  • × author_ss:"Lancaster, F.W."
  • × year_i:[1960 TO 1970}
  • × theme_ss:"Retrievalstudien"
  1. Lancaster, F.W.: On the need for role indicators in postcoordinate retrieval systems (1968) 1.00 
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  2. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 1.00 
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