Search (3 results, page 1 of 1)

  • × author_ss:"MacRoberts, M.H."
  • × theme_ss:"Citation indexing"
  • × year_i:[1980 TO 1990}
  1. MacRoberts, M.H.; MacRoberts, B.R.: Problems of citation analysis : a critical review (1989) 0.00
    0.004627708 = product of:
      0.013883123 = sum of:
        0.013883123 = weight(_text_:a in 6901) [ClassicSimilarity], result of:
          0.013883123 = score(doc=6901,freq=4.0), product of:
            0.048161518 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.041768912 = queryNorm
            0.28826174 = fieldWeight in 6901, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=6901)
      0.33333334 = coord(1/3)
    
    Type
    a
  2. MacRoberts, M.H.; MacRoberts, B.R.: Quantitative measures of communication in science : a study of the formal level (1986) 0.00
    0.004627708 = product of:
      0.013883123 = sum of:
        0.013883123 = weight(_text_:a in 7777) [ClassicSimilarity], result of:
          0.013883123 = score(doc=7777,freq=4.0), product of:
            0.048161518 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.041768912 = queryNorm
            0.28826174 = fieldWeight in 7777, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=7777)
      0.33333334 = coord(1/3)
    
    Type
    a
  3. MacRoberts, M.H.; MacRoberts, B.R.: Author motivation for not citing influences : a methodological note (1988) 0.00
    0.0034707808 = product of:
      0.010412342 = sum of:
        0.010412342 = weight(_text_:a in 648) [ClassicSimilarity], result of:
          0.010412342 = score(doc=648,freq=4.0), product of:
            0.048161518 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.041768912 = queryNorm
            0.2161963 = fieldWeight in 648, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.09375 = fieldNorm(doc=648)
      0.33333334 = coord(1/3)
    
    Type
    a