O'Connor, L.: Approaching the challenges and costs of the North American Industrial Classification System (2000)
0.00
0.0042927065 = product of:
0.008585413 = sum of:
0.008585413 = product of:
0.07726872 = sum of:
0.07726872 = weight(_text_:l in 3380) [ClassicSimilarity], result of:
0.07726872 = score(doc=3380,freq=2.0), product of:
0.12568153 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.03162076 = queryNorm
0.6147977 = fieldWeight in 3380, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.109375 = fieldNorm(doc=3380)
0.11111111 = coord(1/9)
0.5 = coord(1/2)
