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  • × author_ss:"Gattung, B."
  1. Gattung, B.: ¬Der OPAC der Universitätsbibliothek Düsseldorf : Benutzungsperspektive (1991) 4.54 
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  2. Gattung, B.: Datenbank-Aufbau und -Update (1991) 4.54 
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  3. Gattung, B.: Zur Analyse des Benutzerverhaltens. T.1 (1991) 4.54 
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