Vickery, B.C.: Classification and indexing in science (1959)
0.02
0.018802589 = product of:
0.056407765 = sum of:
0.056407765 = product of:
0.11281553 = sum of:
0.11281553 = weight(_text_:indexing in 6160) [ClassicSimilarity], result of:
0.11281553 = score(doc=6160,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5075084 = fieldWeight in 6160, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=6160)
0.5 = coord(1/2)
0.33333334 = coord(1/3)