O'Connor, L.: Approaching the challenges and costs of the North American Industrial Classification System (2000)
0.00
0.0016271236 = product of:
0.014644112 = sum of:
0.014644112 = weight(_text_:of in 3380) [ClassicSimilarity], result of:
0.014644112 = score(doc=3380,freq=2.0), product of:
0.06054254 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03871607 = queryNorm
0.24188137 = fieldWeight in 3380, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=3380)
0.11111111 = coord(1/9)