Search (3 results, page 1 of 1)

  • × theme_ss:"Informetrie"
  • × year_i:[1960 TO 1970}
  1. Fairthorne, R.A.: Empirical hyperbolic distributions (Bradford-Zipf-Mandelbrot) for bibliometric description and prediction (1969) 0.00 
    0.002089573 = product of:
  0.004179146 = sum of:
    0.004179146 = product of:
      0.008358292 = sum of:
        0.008358292 = weight(_text_:s in 4329) [ClassicSimilarity], result of:
          0.008358292 = score(doc=4329,freq=4.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.20385705 = fieldWeight in 4329, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=4329)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Footnote
    Wiederabdruck in: Journal of documentation. 61(2005) no.2, S.171-193.
    Source
    Journal of documentation. 25(1969), S.319-343
  2. Brookes, B.C.: Bradford' law and the bibliography of science (1969) 0.00 
    0.0019700683 = product of:
  0.0039401366 = sum of:
    0.0039401366 = product of:
      0.007880273 = sum of:
        0.007880273 = weight(_text_:s in 5468) [ClassicSimilarity], result of:
          0.007880273 = score(doc=5468,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.19219826 = fieldWeight in 5468, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=5468)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Nature. 1969, no.224, S.953-956
  3. Garfield, E.; Sher, I.H.: New factors in the evaluation of scientific literature literature through citation indexing (1963) 0.00 
    0.0017238096 = product of:
  0.0034476193 = sum of:
    0.0034476193 = product of:
      0.0068952385 = sum of:
        0.0068952385 = weight(_text_:s in 8242) [ClassicSimilarity], result of:
          0.0068952385 = score(doc=8242,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.16817348 = fieldWeight in 8242, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=8242)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    American documentation. 14(1963) no.3, S.195-201

Authors