Henry, M.K.; Keenan, L.; Reagan, M.: Search sheets for OPACs on the internet : a selective guide to U.S. OPACs utilizing VT100 emulation (1991)
0.00
0.002212209 = product of:
0.0066366266 = sum of:
0.0066366266 = weight(_text_:a in 7061) [ClassicSimilarity], result of:
0.0066366266 = score(doc=7061,freq=2.0), product of:
0.05209492 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.045180224 = queryNorm
0.12739488 = fieldWeight in 7061, 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=7061)
0.33333334 = coord(1/3)
