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author_ss:"Jahn, N."
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language_ss:"e"
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theme_ss:"Elektronisches Publizieren"
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year_i:[2020 TO 2030}
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Jahn, N.; Matthias, L.; Laakso, M.: Toward transparency of hybrid open access through publisher-provided metadata : an article-level study of Elsevier (2022)
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Laakso, M.; Matthias, L.; Jahn, N.: Open is not forever : a study of vanished open access journals (2021)
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