Lotka, A.J.: ¬The frequency distribution of scientific productivity (1926)
0.00
0.0038648064 = product of:
0.030918451 = sum of:
0.030918451 = weight(_text_:of in 6897) [ClassicSimilarity], result of:
0.030918451 = score(doc=6897,freq=6.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.47880095 = fieldWeight in 6897, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=6897)
0.125 = coord(1/8)
- Source
- Journal of the Washington Academy of Science. 16(1926) no.12, S.317-323