Lysen, A.: ¬Ein "¬verbesserter Index" zum systematischen Katalog (1925)
0.03
0.026081776 = product of:
0.13040888 = sum of:
0.13040888 = weight(_text_:index in 639) [ClassicSimilarity], result of:
0.13040888 = score(doc=639,freq=2.0), product of:
0.2250935 = queryWeight, product of:
4.369764 = idf(docFreq=1520, maxDocs=44218)
0.051511593 = queryNorm
0.5793543 = fieldWeight in 639, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.369764 = idf(docFreq=1520, maxDocs=44218)
0.09375 = fieldNorm(doc=639)
0.2 = coord(1/5)