Grogan, D.: Practical reference work (1992)
0.01
0.0076835495 = product of:
0.04225952 = sum of:
0.016159108 = weight(_text_:of in 3348) [ClassicSimilarity], result of:
0.016159108 = score(doc=3348,freq=6.0), product of:
0.053998582 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.034531306 = queryNorm
0.2992506 = fieldWeight in 3348, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=3348)
0.026100414 = weight(_text_:on in 3348) [ClassicSimilarity], result of:
0.026100414 = score(doc=3348,freq=4.0), product of:
0.07594867 = queryWeight, product of:
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.034531306 = queryNorm
0.3436586 = fieldWeight in 3348, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.078125 = fieldNorm(doc=3348)
0.18181819 = coord(2/11)
- Abstract
- This new edition reflects the best of current practice and the findings of recent research. It includes the effects on reference work of OPACs, CD-ROM, expert systems and online databases, also covers recent work on question analysis and information-seeking behaviour
