@article{Jahn2022,
author = {Jahn, Najko and Matthias, Lisa and Laakso, Mikael},
year = {2022},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Toward transparency of hybrid open access through publisher-provided metadata: An article-level study of Elsevier},
volume = {73},
pages = {104 - 118},
url = "http://dx.doi.org/10.17169/refubium-31798",
}