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  • × author_ss:"Lüdtke, H."
  • × theme_ss:"Informationsdienstleistungen"
  • × theme_ss:"Internet"
  1. Lüdtke, H.: Ende der Internet Public Library (2015) 0.00 
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    Abstract
    Hinweis auf das endgültige Ende der Internet Public Library (IPL/ipl2) zusammen mit dem weltweit operierenden Online-Auskunftsdienst "Ask a Question" für Ende Juni 2015.
  2. Lüdtke, H.: Taking the reference desk to cyberspace : Internet-Bibliotheken und Online-Auskunftsdienste / im Mittelpunkt die Internet Public Library (USA) (2001) 0.00 
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