Ensor, P.; Hardin, S.: CD-ROM periodical index : a guide to abstracted, indexed and fulltext periodicals on CD-ROM (1992)
0.00
7.9134456E-4 = product of:
0.011870168 = sum of:
0.006236001 = weight(_text_:in in 6217) [ClassicSimilarity], result of:
0.006236001 = score(doc=6217,freq=4.0), product of:
0.029340398 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.021569785 = queryNorm
0.21253976 = fieldWeight in 6217, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.078125 = fieldNorm(doc=6217)
0.005634167 = weight(_text_:s in 6217) [ClassicSimilarity], result of:
0.005634167 = score(doc=6217,freq=8.0), product of:
0.023451481 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.021569785 = queryNorm
0.24024783 = fieldWeight in 6217, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=6217)
0.06666667 = coord(2/30)
- Footnote
- Rez. in: CD-ROM librarian 8(1992) no.8, S.41 (R.D. Johnson); IfB 1(1993) H.3/4, S.151-152
- Pages
- VII,420 S
- Series
- Computers in libraries: Suppl.48
Ensor, P.: CD-ROM research collection : an evaluative guide to bibliographic and full-text CD-ROM databases (1991)
0.00
6.6756504E-4 = product of:
0.010013475 = sum of:
0.006110009 = weight(_text_:in in 830) [ClassicSimilarity], result of:
0.006110009 = score(doc=830,freq=6.0), product of:
0.029340398 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.021569785 = queryNorm
0.2082456 = fieldWeight in 830, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.0625 = fieldNorm(doc=830)
0.003903466 = weight(_text_:s in 830) [ClassicSimilarity], result of:
0.003903466 = score(doc=830,freq=6.0), product of:
0.023451481 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.021569785 = queryNorm
0.1664486 = fieldWeight in 830, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=830)
0.06666667 = coord(2/30)
- Abstract
- Enthält 114 Beschreibungen von CD-ROM Produkten; Fortsetzung in 'CD-ROM world'
- Footnote
- Rez. in: Journal of academic librarianship 18(1992) no.2, S.104 (E.F. SantaVicca); IfB 1(1993) H.3/4, S.153-155
- Pages
- IX,302 S
- Series
- Computers in libraries: suppl.38