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  • × author_ss:"Tittlbach, G."
  • × theme_ss:"Informationsdienstleistungen"
  • × year_i:[1970 TO 1980}
  1. Tittlbach, G.: Benutzergewohnheiten und Informationsbedarf : Erfahrungen einer zentralen Dokumentations- und Informationsstelle (1973) 0.00 
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