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- author's%3a%22Scheffel%2c R.%22 2
- authors%3a%22Scheffel%2c R.%22 2
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Georgy, U.: Chemical Abstracts bei sechs Hosts : ein Vergleich (1994)
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- Information und Medienvielfalt: 16. Online-Tagung der DGD, Frankfurt am Main, 17.-19.5.1994. Proceedings. Hrsg.: W. Neubauer u. R. Schmidt
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Georgy, U.: Wer suchet ... : Qualität deutscher Produktinformation (1995)
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- Cogito. 11(1995) H.6, S.22-23