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Oppenheim, C.: Electronic scholarly publishing and open access (2009)
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- 8. 7.2010 19:22:45
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Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008)
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Zuccala, A.; Thelwall, M.; Oppenheim, C.; Dhiensa, R.: Web intelligence analyses of digital libraries : a case study of the National electronic Library for Health (NeLH) (2007)
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