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  1. Härkönen, S.: Digital Reference Konsortien : Kooperative Online-Auskunft in Bibliotheken (2007) 0.06
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    Classification
    025.5230973090511 / DDC22ger
    Date
    22. 8.2009 19:50:27
    DDC
    025.5230973090511 / DDC22ger
  2. 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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