Search (1 results, page 1 of 1)

  • × author_ss:"Alzofon, S.R."
  • × theme_ss:"OPAC"
  1. Alzofon, S.R.; Van Pulis, N.: Patterns of searching and success rates in an online public access catalog (1984) 0.04
    0.0371653 = product of:
      0.0743306 = sum of:
        0.0743306 = product of:
          0.1486612 = sum of:
            0.1486612 = weight(_text_:n in 500) [ClassicSimilarity], result of:
              0.1486612 = score(doc=500,freq=2.0), product of:
                0.19504215 = queryWeight, product of:
                  4.3116565 = idf(docFreq=1611, maxDocs=44218)
                  0.045236014 = queryNorm
                0.76220036 = fieldWeight in 500, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.3116565 = idf(docFreq=1611, maxDocs=44218)
                  0.125 = fieldNorm(doc=500)
          0.5 = coord(1/2)
      0.5 = coord(1/2)