Wagner-Döbler, R.: Time dependencies of Bradford distributions : structures of journal output in 20th century logic and 19the century mathematics (1997)
0.01
0.007962625 = product of:
0.039813124 = sum of:
0.039813124 = weight(_text_:r in 324) [ClassicSimilarity], result of:
0.039813124 = score(doc=324,freq=2.0), product of:
0.13607219 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.041106213 = queryNorm
0.29258826 = fieldWeight in 324, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.0625 = fieldNorm(doc=324)
0.2 = coord(1/5)
