Search (1 results, page 1 of 1)

  • × author_ss:"Heide, L."
  • × theme_ss:"Geschichte der Sacherschließung"
  1. Heide, L.: Punched-card systems and the early information explosion, 1880-1945 (2009) 0.00
    2.0182796E-4 = product of:
      0.004843871 = sum of:
        0.004843871 = weight(_text_:der in 3345) [ClassicSimilarity], result of:
          0.004843871 = score(doc=3345,freq=2.0), product of:
            0.049067024 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.021966046 = queryNorm
            0.09871948 = fieldWeight in 3345, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.03125 = fieldNorm(doc=3345)
      0.041666668 = coord(1/24)
    
    Theme
    Geschichte der Sacherschließung