Clapp, V.: Indexing and abstracting : recent past and lines of future developement (1950)
0.04
0.038930576 = product of:
0.07786115 = sum of:
0.07786115 = product of:
0.1557223 = sum of:
0.1557223 = weight(_text_:v in 1855) [ClassicSimilarity], result of:
0.1557223 = score(doc=1855,freq=2.0), product of:
0.18082964 = queryWeight, product of:
4.871427 = idf(docFreq=920, maxDocs=44218)
0.037120465 = queryNorm
0.86115474 = fieldWeight in 1855, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.871427 = idf(docFreq=920, maxDocs=44218)
0.125 = fieldNorm(doc=1855)
0.5 = coord(1/2)
0.5 = coord(1/2)
