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  • × author_ss:"Heydrich, J."
  1. Heydrich, J.; Schmelter, G.: Einsatz von Retrieval-Geräten bei Microfiche-Arbeiten in Zentralkatalogen und Bibliotheken (1982) 0.01 
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  2. Heydrich, J.: ¬Die Rolle der Zentralkataloge als Leihverkehrszentralen : Heute und Morgen (1997) 0.01 
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