Reference and information services : an introduction (1995)
0.02
0.018629456 = product of:
0.09314728 = sum of:
0.09314728 = weight(_text_:2nd in 1523) [ClassicSimilarity], result of:
0.09314728 = score(doc=1523,freq=2.0), product of:
0.37554112 = queryWeight, product of:
5.6123877 = idf(docFreq=438, maxDocs=44218)
0.0669129 = queryNorm
0.24803483 = fieldWeight in 1523, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.6123877 = idf(docFreq=438, maxDocs=44218)
0.03125 = fieldNorm(doc=1523)
0.2 = coord(1/5)
- Issue
- 2nd ed.
