@article{Laakso2021,
author = {Laakso, Mikael and Matthias, Lisa and Jahn, Najko},
year = {2021},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Open is not forever: A study of vanished open access journals},
volume = {72},
pages = {1099 - 1112},
url = "http://dx.doi.org/10.17169/refubium-30006",
}