Search (1 results, page 1 of 1)
-
Voigt, K.; Benz, J.: Umweltschutz im Internet : Datenquellen zu ökologischen und chemischen Fragestellungen (1996)
4.47
4.471406 = weight(theme_ss:Informationsmittel in 4904) [ClassicSimilarity], result of: 4.471406 = fieldWeight in 4904, product of: 1.0 = tf(freq=1.0), with freq of: 1.0 = termFreq=1.0 4.471406 = idf(docFreq=1373, maxDocs=44218) 1.0 = fieldNorm(doc=4904)
- Theme
- Informationsmittel