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Voigt, K.; Benz, J.: Umweltschutz im Internet : Datenquellen zu ökologischen und chemischen Fragestellungen (1996)
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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)
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Benz, J.; Voigt, K.: Indexing file system for the set-up of metadatabases in environmental sciences on the Internet (1995)
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