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  • × theme_ss:"Informationsdienstleistungen"
  • × theme_ss:"Informationsmittel"
  1. Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998) 0.05 
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    Source
    Online. 22(1998) no.4, S.22-28
  2. Rosen, J.; Dickstein, R.; Greenfield, L.: Using the World Wide Web at the reference desk (1998) 0.02 
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  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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