Webb, S.P.: Making a charge for library and information services (1994)
0.00
0.0019925921 = product of:
0.0039851842 = sum of:
0.0039851842 = product of:
0.0079703685 = sum of:
0.0079703685 = weight(_text_:a in 7287) [ClassicSimilarity], result of:
0.0079703685 = score(doc=7287,freq=2.0), product of:
0.062564276 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.054259952 = queryNorm
0.12739488 = fieldWeight in 7287, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.078125 = fieldNorm(doc=7287)
0.5 = coord(1/2)
0.5 = coord(1/2)