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  • × year_i:[1990 TO 2000}
  1. Georgy, U.: Chemical Abstracts bei sechs Hosts : ein Vergleich (1994) 9.30 
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  2. Heckmann, P.; Koniczek, L.; Schneider, W.; Schwittek, C.: Aktueller Vergleich (Benutzerfreundlichkeit, Effizienz, Preis ...) für Strukturrecherchen : Online (CA, Beilstein) versus Inhouse (Crossfire) (1996) 9.30 
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  3. Siegfried, R.: Aktueller Vergleich (Benutzerfreundlichkeit, Effizienz, Preis ...) für Strukturrecherchen : Online (CA, Beilstein) versus Inhouse (Crossfire) (1996) 9.30 
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  4. Braam, R.R.; Bruil, J.: Quality of indexing information : authors' views on indexing of their articles in chemical abstracts online CA-file (1992) 9.30 
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  5. Efremenkova, V.M.; Kamenskaya, M.A.; Khutoretskii, V.M.: Sootnoshenien klassifikasionnykh sistem bazy dannykh Chemical Abstracts i sootvetstvuyushchikh ei chastei sistemy baz dannykh VINITI (1999) 9.30 
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