Otchere, F.F.: African studies thesaurus : subject headings for library uses (1992)
0.02
0.019387359 = product of:
0.09693679 = sum of:
0.09693679 = weight(_text_:thesaurus in 822) [ClassicSimilarity], result of:
0.09693679 = score(doc=822,freq=2.0), product of:
0.23732872 = queryWeight, product of:
4.6210785 = idf(docFreq=1182, maxDocs=44218)
0.051357865 = queryNorm
0.40844947 = fieldWeight in 822, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.6210785 = idf(docFreq=1182, maxDocs=44218)
0.0625 = fieldNorm(doc=822)
0.2 = coord(1/5)
