Voigt, K.; Benz, J.; Brüggemann, R.: ¬The Internet as an information source for environmental chemicals : first results of the evaluation of the metadatabase of Internet resources (1996)
0.01
0.013799756 = product of:
0.027599512 = sum of:
0.027599512 = product of:
0.055199023 = sum of:
0.055199023 = weight(_text_:r in 7031) [ClassicSimilarity], result of:
0.055199023 = score(doc=7031,freq=2.0), product of:
0.15092614 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.045593463 = queryNorm
0.36573532 = fieldWeight in 7031, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.078125 = fieldNorm(doc=7031)
0.5 = coord(1/2)
0.5 = coord(1/2)
