Simon, H.-R.; Ockenfeld, M.: ¬Die Entwicklung von Chemical Abstracts 1907 bis 1980 (1981)
0.01
0.011586567 = product of:
0.04634627 = sum of:
0.04634627 = weight(_text_:und in 6180) [ClassicSimilarity], result of:
0.04634627 = score(doc=6180,freq=2.0), product of:
0.118290015 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.05337113 = queryNorm
0.39180204 = fieldWeight in 6180, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.125 = fieldNorm(doc=6180)
0.25 = coord(1/4)
- Source
- Bibliothek: Forschung und Praxis. 5(1981) H.2, S.143-152