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  • × author_ss:"Jahn, N."
  • × year_i:[2020 TO 2030}
  1. Jahn, N.; Matthias, L.; Laakso, M.: Toward transparency of hybrid open access through publisher-provided metadata : an article-level study of Elsevier (2022) 0.00 
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  2. Hobert, A.; Jahn, N.; Mayr, P.; Schmidt, B.; Taubert, N.: Open access uptake in Germany 2010-2018 : adoption in a diverse research landscape (2021) 0.00 
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  3. Laakso, M.; Matthias, L.; Jahn, N.: Open is not forever : a study of vanished open access journals (2021) 0.00 
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