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  • × year_i:[1960 TO 1970}
  • × author_ss:"Lancaster, F.W."
  1. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 0.00 
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    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.