Su, Y.; Han, L.-F.: ¬A new literature growth model : variable exponential growth law of literature (1998)
0.01
0.014183054 = product of:
0.028366107 = sum of:
0.028366107 = product of:
0.08509832 = sum of:
0.08509832 = weight(_text_:22 in 3690) [ClassicSimilarity], result of:
0.08509832 = score(doc=3690,freq=4.0), product of:
0.15552706 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044413086 = queryNorm
0.54716086 = fieldWeight in 3690, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=3690)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 22. 5.1999 19:22:35