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  • × classification_ss:"Bib D 87 / Recherchesprache"
  • × classification_ss:"ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme"
  1. Reiner, U.: Anfragesprachen für Informationssysteme (1991) 0.00 
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