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  • × theme_ss:"Informationsmittel"
  1. Weeding and maintenance of reference collections (1990) 0.05 
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    Editor
    Pierce, S.J.
  2. Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998) 0.01 
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    Source
    Online. 22(1998) no.4, S.22-28
  3. 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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