Search (3 results, page 1 of 1)

  • × theme_ss:"Informationsdienstleistungen"
  • × year_i:[1950 TO 1960}
  1. Rothstein, S.: ¬The development of reference services through academic traditions, public library practice and special librarianship (1955) 0.00
    0.00468081 = product of:
      0.00936162 = sum of:
        0.00936162 = product of:
          0.01872324 = sum of:
            0.01872324 = weight(_text_:e in 5720) [ClassicSimilarity], result of:
              0.01872324 = score(doc=5720,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.2540935 = fieldWeight in 5720, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.125 = fieldNorm(doc=5720)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  2. Cole, P.F.: ¬The analysis of reference question records as a guide to the information requirements of scientists (1958) 0.00
    0.004095709 = product of:
      0.008191418 = sum of:
        0.008191418 = product of:
          0.016382836 = sum of:
            0.016382836 = weight(_text_:e in 3866) [ClassicSimilarity], result of:
              0.016382836 = score(doc=3866,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.2223318 = fieldWeight in 3866, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3866)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Shaw, R.R.: Mechanical storage, handling, retrieval and supply of information (1958) 0.00
    0.0020478545 = product of:
      0.004095709 = sum of:
        0.004095709 = product of:
          0.008191418 = sum of:
            0.008191418 = weight(_text_:e in 697) [ClassicSimilarity], result of:
              0.008191418 = score(doc=697,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.1111659 = fieldWeight in 697, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=697)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e

Types