Ireland, N. O.: Cooperative Indexing : a postwar program today (1944)
0.04
0.03658479 = product of:
0.18292394 = sum of:
0.18292394 = weight(_text_:o in 6186) [ClassicSimilarity], result of:
0.18292394 = score(doc=6186,freq=2.0), product of:
0.20624171 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.041106213 = queryNorm
0.8869396 = fieldWeight in 6186, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.125 = fieldNorm(doc=6186)
0.2 = coord(1/5)