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  • × classification_ss:"All B 91 / Elektronische Publikationen"
  • × subject_ss:"Bibliothek / Informationsvermittlung (GBV)"
  • × subject_ss:"Bibliothek / Auskunftsdienst (SWB)"
  • × theme_ss:"Bibliographie"
  • × subject_ss:"Reference services (Libraries)"
  • × classification_ss:"06.60 / Bibliotheksbenutzung"
  1. Reference and information services : an introduction (1995) 1.00
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