Search (2 results, page 1 of 1)

  • × theme_ss:"Geschichte der Kataloge"
  • × year_i:[1980 TO 1990}
  1. Pettee, J.: ¬The subject approach to books and the development of the dictionary catalog (1985) 0.00 
    0.0034153117 = product of:
  0.013661247 = sum of:
    0.013661247 = product of:
      0.027322493 = sum of:
        0.027322493 = weight(_text_:22 in 3624) [ClassicSimilarity], result of:
          0.027322493 = score(doc=3624,freq=2.0), product of:
            0.17654699 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050415643 = queryNorm
            0.15476047 = fieldWeight in 3624, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03125 = fieldNorm(doc=3624)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Footnote
    Original in: Pettee, J.: The history and theory of the alphabetical subject approach to books. New York: Wilson 1946. S.22-25.
  2. Pettee, J.: Public libraries and libraries as purveyors of information (1985) 0.00 
    0.0017165683 = product of:
  0.006866273 = sum of:
    0.006866273 = weight(_text_:information in 3630) [ClassicSimilarity], result of:
      0.006866273 = score(doc=3630,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.0775819 = fieldWeight in 3630, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.03125 = fieldNorm(doc=3630)
  0.25 = coord(1/4)