Reference and information services : an introduction (1995)
0.01
0.009862646 = product of:
0.019725293 = sum of:
0.019725293 = product of:
0.039450586 = sum of:
0.039450586 = weight(_text_:56 in 1523) [ClassicSimilarity], result of:
0.039450586 = score(doc=1523,freq=2.0), product of:
0.21469334 = queryWeight, product of:
4.1578603 = idf(docFreq=1879, maxDocs=44218)
0.051635534 = queryNorm
0.18375319 = fieldWeight in 1523, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1578603 = idf(docFreq=1879, maxDocs=44218)
0.03125 = fieldNorm(doc=1523)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 8. 3.2008 9:52:56