Measuring open access publications: a novel normalized open access indicator

Citation Advantage of Open Access Articles

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Altmetrics, Open Access—philosophy, Open Access +10

The academic, economic and societal impacts of Open Access: an evidence-based review

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Open Access to the Scientific Journal Literature: Situation 2009

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Anatomy of open access publishing: a study of longitudinal development and internal structure

Mikael Laakso, Bo‐Christer Björk · BMC Medicine · 2012 · 361 citations · Full text