Ball, N.T.: Contributions of classification to science (1957)
0.01
0.0093428325 = product of:
0.028028497 = sum of:
0.028028497 = product of:
0.056056995 = sum of:
0.056056995 = weight(_text_:science in 568) [ClassicSimilarity], result of:
0.056056995 = score(doc=568,freq=2.0), product of:
0.1375819 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052230705 = queryNorm
0.40744454 = fieldWeight in 568, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.109375 = fieldNorm(doc=568)
0.5 = coord(1/2)
0.33333334 = coord(1/3)