-
Sotudeh, H.; Horri, A.: ¬The citation performance of open access journals : a disciplinary investigation of citation distribution models (2007)
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- Journal of the American Society for Information Science and Technology. 58(2007) no.13, S.2145-2156
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Zhao, D.: Challenges of scholarly publications on the Web to the evaluation of science : a comparison of author visibility on the Web and in print journals (2005)
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- Information processing and management. 41(2005) no.6, S.1403-1418
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Frandsen, T.F.: ¬The integration of open access journals in the scholarly communication system : three science fields (2009)
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- Information processing and management. 45(2009) no.1, S.131-141
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Lawrence, S.: Online or Invisible? (2001)
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- Nature. 411(2001) no.6837, S.521-523
-
Moed, H.F.: ¬The effect of "open access" on citation impact : an analysis of ArXiv's condensed matter section (2007)
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- Journal of the American Society for Information Science and Technology. 58(2007) no.13, S.2047-2054
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Zhang, Y.: ¬The effect of open access on citation impact : a comparison study based on Web citation analysis (2006)
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- Libri. 56(2006) no.3, S.145-156