Search (4 results, page 1 of 1)

  • × year_i:[1940 TO 1950}
  1. Pettee, J.: Subject headings: the history and theory of the alphabetical subject approach to books (1946) 0.05
    0.050022837 = product of:
      0.25011417 = sum of:
        0.25011417 = weight(_text_:books in 1725) [ClassicSimilarity], result of:
          0.25011417 = score(doc=1725,freq=2.0), product of:
            0.29274467 = queryWeight, product of:
              4.8330836 = idf(docFreq=956, maxDocs=44218)
              0.060570993 = queryNorm
            0.85437655 = fieldWeight in 1725, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.8330836 = idf(docFreq=956, maxDocs=44218)
              0.125 = fieldNorm(doc=1725)
      0.2 = coord(1/5)
    
  2. Mann, M.: Introduction to cataloging and the classification of books (1943) 0.05
    0.050022837 = product of:
      0.25011417 = sum of:
        0.25011417 = weight(_text_:books in 3525) [ClassicSimilarity], result of:
          0.25011417 = score(doc=3525,freq=2.0), product of:
            0.29274467 = queryWeight, product of:
              4.8330836 = idf(docFreq=956, maxDocs=44218)
              0.060570993 = queryNorm
            0.85437655 = fieldWeight in 3525, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.8330836 = idf(docFreq=956, maxDocs=44218)
              0.125 = fieldNorm(doc=3525)
      0.2 = coord(1/5)
    
  3. Harnack, A. von: ¬Die Auskunftserteilung als bibliothekarische Aufgabe (1940) 0.03
    0.026260907 = product of:
      0.13130453 = sum of:
        0.13130453 = weight(_text_:22 in 5755) [ClassicSimilarity], result of:
          0.13130453 = score(doc=5755,freq=2.0), product of:
            0.2121093 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.060570993 = queryNorm
            0.61904186 = fieldWeight in 5755, 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=5755)
      0.2 = coord(1/5)
    
    Source
    Zentralblatt für Bibliothekswesen. 57(1940), S.16-22
  4. Sveistrup, H.: ¬Der neue Realkatalog der SUB Hamburg (1947) 0.01
    0.013130453 = product of:
      0.065652266 = sum of:
        0.065652266 = weight(_text_:22 in 6607) [ClassicSimilarity], result of:
          0.065652266 = score(doc=6607,freq=2.0), product of:
            0.2121093 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.060570993 = queryNorm
            0.30952093 = fieldWeight in 6607, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=6607)
      0.2 = coord(1/5)
    
    Source
    Probleme des Wiederaufbaus im wissenschaftlichen Bibliothekswesen: aus d. Verhandlungen des 1. Bibliothekartagung der britischen Zone in Hamburg vom 22.-24.10.1946