Large, J.A.: Evaluating online and CD-ROM reference sources (1989)
0.04
0.043554243 = product of:
0.26132545 = sum of:
0.26132545 = weight(_text_:1989 in 4010) [ClassicSimilarity], result of:
0.26132545 = score(doc=4010,freq=5.0), product of:
0.19158144 = queryWeight, product of:
4.8801513 = idf(docFreq=912, maxDocs=44218)
0.039257277 = queryNorm
1.3640437 = fieldWeight in 4010, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.8801513 = idf(docFreq=912, maxDocs=44218)
0.125 = fieldNorm(doc=4010)
0.16666667 = coord(1/6)
- Source
- Journal of librarianship. 21(1989) no.2, S.87-108
- Year
- 1989
