Search (1 results, page 1 of 1)

  • × author_ss:"Liddy, E.D."
  • × year_i:[1980 TO 1990}
  1. Liddy, E.D.: Back-of-the-book index study (1989-90) 0.06 
    0.06495745 = product of:
  0.1299149 = sum of:
    0.1299149 = product of:
      0.2598298 = sum of:
        0.2598298 = weight(_text_:90 in 7768) [ClassicSimilarity], result of:
          0.2598298 = score(doc=7768,freq=2.0), product of:
            0.2733978 = queryWeight, product of:
              5.376119 = idf(docFreq=555, maxDocs=44218)
              0.050854117 = queryNorm
            0.9503726 = fieldWeight in 7768, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.376119 = idf(docFreq=555, maxDocs=44218)
              0.125 = fieldNorm(doc=7768)
      0.5 = coord(1/2)
  0.5 = coord(1/2)