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  • × author_ss:"Maaßen, B."
  1. Maaßen, B.: PRECIS: ein englisches Indexierungsverfahren für deutsche Bibliotheken? (1983) 7.59 
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  2. Maaßen, B.: ¬Das PRECIS-Projekt der Deutschen Bibliothek (1985) 7.59 
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