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¬The role and impact of the Internet on library and information services (2001) 0.11

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Editor: Liu, L.G.

Härkönen, S.: Digital Reference Konsortien : Kooperative Online-Auskunft in Bibliotheken (2007) 0.01

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Date: 22. 8.2009 19:50:27

Lipow, A.G.: ¬The virtual reference librarian's handbook (2003) 0.00

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Date: 22. 3.2004 14:46:50

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