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  • × author_ss:"Burkart, M."
  • × type_ss:"r"
  1. Burkart, M.; Wersig, G.: ¬Die Nutzung der DK in der Bundesrepublik Deutschland und Österreich : Ergebnisse einer Umfrage im Sommer 1981 im Auftrag der Gesellschaft für Information und Dokumentation (1982) 0.03 
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  2. Burkart, M.; Wersig, G.: Nutzung von Klassifikationssystemen in deutschen IuD-Stellen : Ergebnisse einer Umfrage im Winter 1980/81 (1981) 0.02 
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