Search (1 results, page 1 of 1)

  • × type_ss:"?"
  • × year_i:[1950 TO 1960}
  1. Luhn, H.P.: Keyword-in-context index for technical literature : KWIC index (1959) 0.00 
    0.002708723 = product of:
  0.013543615 = sum of:
    0.013543615 = weight(_text_:of in 1780) [ClassicSimilarity], result of:
      0.013543615 = score(doc=1780,freq=2.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.20732689 = fieldWeight in 1780, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=1780)
  0.2 = coord(1/5)
    Footnote
    Reprinted in: Theory of subject analysis: a sourcebook. Ed. by. L.M. Chan et al. Littleton, CO: Libraries Unlimited 1985, S.170-180