Tibbo, H.R.: Abstracting across the disciplines : a content analysis of abstracts for the natural sciences, the social sciences, and the humanities with implications for abstracting standards and online information retrieval (1992)
0.01
0.007487112 = product of:
0.03743556 = sum of:
0.03743556 = weight(_text_:retrieval in 2536) [ClassicSimilarity], result of:
0.03743556 = score(doc=2536,freq=2.0), product of:
0.14001551 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.04628742 = queryNorm
0.26736724 = fieldWeight in 2536, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0625 = fieldNorm(doc=2536)
0.2 = coord(1/5)