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Lüdtke, H.: Secret Patrons, Invisible Users : Digital Reference @ Your Library: Fundstücke einer nicht nur virtuellen Erkundung in den USA (2004)
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- Date
- 22. 3.2004 14:50:05
- Language
- d
- Source
- BuB. 56(2004) H.3, S.202-210
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Lüdtke, H.: Ende der Internet Public Library (2015)
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Lüdtke, H.: Taking the reference desk to cyberspace : Internet-Bibliotheken und Online-Auskunftsdienste / im Mittelpunkt die Internet Public Library (USA) (2001)
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- Language
- d
- Source
- BuB. 53(2001) H.9, S.544-552
