-
Oppenheim, C.; Morris, A.; McKnight, C.: ¬The evaluation of WWW search engines (2000)
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- Source
- Journal of documentation. 56(2000) no.2, S.190-211
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Oppenheim, C.; Stuart, D.: Is there a correlation between investment in an academic library and a higher education institution's ratings in the Research Assessment Exercise? (2004)
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- Source
- Aslib proceedings. 56(2004) no.3, S.156-165
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Oppenheim, C.: Electronic scholarly publishing and open access (2009)
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- Date
- 8. 7.2010 19:22:45