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  • × year_i:[1990 TO 2000}
  1. Wettengel, M.: Digitale Unterschriften (1997) 10.09 
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  2. Wettengel, M.: Zur Rekonstruktion digitaler Datenbestände aus der DDR nach der Wiedervereinigung : die Erfahrungen im Bundesarchiv (1997) 10.09 
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