-
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.
- Source
- Online. 18(1994) no.3, S.31-47
-
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
-
Tenopir, C.; Hover, K.: When is the same database not the same : database differences among systems (1993)
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- Source
- Online. 17(1993) no.4, S.20-27
-
Tenopir, C.: Reference services from RLG (1995)
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- Date
- 25.11.1995 19:22:01
- Source
- Library journal. 120(1995) no.8, S.28,30
-
Tenopir, C.: Integrating electronic reference (1995)
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- Date
- 25.11.1995 19:22:01
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- Library journal. 120(1995) no.6, S.39-40
-
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
-
Tenopir, C.; Levine, K.; Allard, S.; Christian, L.; Volentine, R.; Boehm, R.; Nichols, F.; Nicholas, D.; Jamali, H.R.; Herman, E.; Watkinson, A.: Trustworthiness and authority of scholarly information in a digital age : results of an international questionnaire (2016)
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- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.10, S.2344-2361
-
Tenopir, C.; King, D.W.; Boyce, P.; Grayson, M.; Paulson, K.-L.: Relying an electronic journals : reading patterns of astronomers (2005)
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- Source
- Journal of the American Society for Information Science and Technology. 56(2005) no.8, S.786-802
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Douglass, K.; Allard, S.; Tenopir, C.; Wu, L.W.; Frame, M.: Managing scientific data as public assets : data sharing practices and policies among full-time government employees (2014)
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Allard, S.; Levine, K.J.; Tenopir, C.: Design engineers and technical professionals at work : observing information usage in the workplace (2009)
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- Date
- 22. 3.2009 12:43:37
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.3, S.443-454
-
Tenopir, C.: Full text database retrieval performance (1985)
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- Source
- Online review. 9(1985), S.149-164
-
Tenopir, C.: Full text databases (1984)
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- Annual review of information science and technology. 19(1984), S.215-246
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Tenopir, C.: ¬The user-system interface (1989)
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Tenopir, C.: Searching by controlled vocabulary or free text (1987)
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Lundeen, G.; Tenopir, C.: Text retrieval software for microcomputers and beyond : an overview and a review of four packages (1992)
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- Database. 15(1992) no.4, S.51-63
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Tenopir, C.: Evaluation criteria for online, CD-ROM (1992)
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-
Tenopir, C.; Neufang, R.: ¬The impact of electronic reference on reference librarians (1992)
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- Online. 16(1992) no.3, S.54-56,58,60
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Tenopir, C.: Human or automated, indexing is important (1999)
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- Library journal. 124(1999) no.18, S.34,38
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Tenopir, C.; Ro, J.S.: Full text databases (1990)
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- Footnote
- Rez. in: Information technology and libraries. 10(1991) S.156-157 (E. Kanter)
-
Tenopir, C.; Read, E.: Patterns of database use in academic libraries (2000)
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- Source
- College and research libraries. 61(2000) no.3, S.234-246
