Search (1 results, page 1 of 1)

  • × author_ss:"Ludwig, D."
  • × type_ss:"x"
  • × year_i:[1980 TO 1990}
  1. Ludwig, D.: ¬Die Diskussion um die BBK in der sowjetischen Fachliteratur seit 1965 : mit einem Exkurs über die Anwendung der BBK in Bibliotheken der DDR (1984) 0.01 
    0.01036886 = product of:
  0.051844303 = sum of:
    0.051844303 = weight(_text_:der in 7172) [ClassicSimilarity], result of:
      0.051844303 = score(doc=7172,freq=6.0), product of:
        0.1010686 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.045245815 = queryNorm
        0.5129615 = fieldWeight in 7172, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=7172)
  0.2 = coord(1/5)