-
Tenopir, C.; Cahn, P.: TARGET & FREESTYLE : DIALOG and Mead join the relevance ranks (1994)
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- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.446-456.
-
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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Tenopir, C.; Hover, K.: When is the same database not the same : database differences among systems (1993)
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Tenopir, C.: Reference services from RLG (1995)
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- Date
- 25.11.1995 19:22:01
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Tenopir, C.: Integrating electronic reference (1995)
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- Date
- 25.11.1995 19:22:01
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Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992)
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- Source
- Online. 16(1992) no.2, S.22-28