Search (1 results, page 1 of 1)

  • × year_i:[1970 TO 1980}
  • × theme_ss:"Katalogfragen allgemein"
  1. Hafter, R.: ¬The performance of card catalogs : a review of research (1979) 0.00
    0.0030414974 = product of:
      0.015207487 = sum of:
        0.015207487 = product of:
          0.06082995 = sum of:
            0.06082995 = weight(_text_:22 in 3069) [ClassicSimilarity], result of:
              0.06082995 = score(doc=3069,freq=2.0), product of:
                0.09826468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.028060954 = queryNorm
                0.61904186 = fieldWeight in 3069, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=3069)
          0.25 = coord(1/4)
      0.2 = coord(1/5)
    
    Date
    3.10.2000 20:48:22