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Solomon, D.J.; Björk, B.-C.: ¬A study of open access journals using article processing charges (2012)
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Björk, B.-C.: ¬The hybrid model for open access publication of scholarly articles : a failed experiment? (2012)
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Solomon, D.J.; Björk, B.-C.: Publication fees in open access publishing : sources of funding and factors influencing choice of journal (2012)
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Laakso, M.; Björk, B.-C.: Delayed open access : an overlooked high-impact category of openly available scientific literature (2013)
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Björk, B.-C.; Laakso, M.; Welling, P.; Paetau, P.: Anatomy of green open access (2014)
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