Search (1 results, page 1 of 1)

  • × author_ss:"Sifton, P."
  1. Sifton, P.: Workbook for DDC20 : a practical introduction to Dewey Decimal Classification; Edition 20; 1989 (1989) 8.70 
    8.701155 = weight(object_ss:DDC-20 in 6116) [ClassicSimilarity], result of:
  8.701155 = fieldWeight in 6116, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    8.701155 = idf(docFreq=19, maxDocs=44218)
    1.0 = fieldNorm(doc=6116)
    Object
    DDC-20