Abstracting and indexing services in perspective : Miles Conrad memorial lectures 1969-1983. Commemorating the twenty-fifth anniversary of the National Federation of Abstracting and Information Services (1983)
0.01
0.0066727167 = product of:
0.02001815 = sum of:
0.02001815 = weight(_text_:information in 689) [ClassicSimilarity], result of:
0.02001815 = score(doc=689,freq=4.0), product of:
0.09122598 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.051966466 = queryNorm
0.21943474 = fieldWeight in 689, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=689)
0.33333334 = coord(1/3)
- Imprint
- Arlington : Information Resources Pr.