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Laakso, M.; Matthias, L.; Jahn, N.: Open is not forever : a study of vanished open access journals (2021) 0.00
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Footnote

Vgl. dazu den Letter to the editor: Shelomi, M.: Comment on "Open is not forever: A study of vanished open access journals". In. JASIST 72(2021) no.9, S.1113-1114 [https://asistdl.onlinelibrary.wiley.com/doi/10.1002/asi.24543]: "One reason these journals may have vanished is that they were predatory journals: a possibility the original paper did not consider." Dazu die Erwiderung der Autoren: Response to comment on "Open is not forever: A study of vanished open access journals". In: JASIST 72(2021) no.9, S.1115-1116 [https://asistdl.onlinelibrary.wiley.com/doi/10.1002/asi.24542].

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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