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Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
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- Source
- Online. 22(1998) no.4, S.22-28
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Duckett, R.J.; Walker, P.; Donnelly, C.: Know it all, find it fast : an A-Z source guide for the enquiry desk (2008)
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Lipow, A.G.: ¬The virtual reference librarian's handbook (2003)
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- Date
- 22. 3.2004 14:46:50
