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  • × author_ss:"Rittberger, W."
  1. Lück, W.; Rittberger, W.; Schwantner, M.: ¬Der Einsatz des Automatischen Indexierungs- und Retrievalsystems (AIR) im Fachinformationszentrum Karlsruhe (1994) 0.01 
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  2. Rittberger, M.; Rittberger, W.: Measuring quality in the production of databases (1997) 0.00 
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