Fussler, H.H.; Siman, J.L.: Patterns in the use of books in large research libraries (1969)
0.04
0.042302463 = product of:
0.21151231 = sum of:
0.21151231 = weight(_text_:books in 4490) [ClassicSimilarity], result of:
0.21151231 = score(doc=4490,freq=2.0), product of:
0.24756333 = queryWeight, product of:
4.8330836 = idf(docFreq=956, maxDocs=44218)
0.051222645 = queryNorm
0.85437655 = fieldWeight in 4490, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8330836 = idf(docFreq=956, maxDocs=44218)
0.125 = fieldNorm(doc=4490)
0.2 = coord(1/5)