Gesell, J.: Neuauflage der Internationalen Patentklassifikation : incompatibility issues of library classification systems and subject headings in subject cataloguing (1986)
0.02
0.019963596 = product of:
0.039927192 = sum of:
0.039927192 = product of:
0.079854384 = sum of:
0.079854384 = weight(_text_:headings in 2644) [ClassicSimilarity], result of:
0.079854384 = score(doc=2644,freq=2.0), product of:
0.24837378 = queryWeight, product of:
4.849944 = idf(docFreq=940, maxDocs=44218)
0.051211677 = queryNorm
0.3215089 = fieldWeight in 2644, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.849944 = idf(docFreq=940, maxDocs=44218)
0.046875 = fieldNorm(doc=2644)
0.5 = coord(1/2)
0.5 = coord(1/2)
