Content Provider
Directory of Open Access Journals: DOAJ Articles
11
DataCite Metadata Store (German National Library of Science and Technology)
10
MDPI Open Access Publishing
6
Wiley Online Library
4
Carleton University's Institutional Repository
3
University of Copenhagen: Research
3
Unknown
3
Aarhus University: Research
2
Canadian Science Publishing
2
Copernicus Publications: E-Journals
2
HELDA – University of Helsinki Open Repository
2
Niedersächsisches Online-Archiv NOA
2
The University of Texas at Austin: Texas ScholarWorks
2
University of Tromsø: Munin Open Research Archive
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
DataverseNL
1
Høgskulen på Vestlandet: HVL Open
1
Institut national des sciences de l'Univers: HAL-INSU
1
Jultika - University of Oulu repository
1
National Research Council Canada: NRC Publications Archive
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Portail des publications scientifiques de l’Université d’Angers (HAL)
1
Publication Server of Greifswald University
1
SAGE Publications
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of New Brunswick: Centre for Digital Scholarship Journals
1
University of Victoria (Canada): UVicDSpace
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Université de Nantes: HAL-UNIV-NANTES
1
Université du Québec à Trois-Rivières: Dépôt numérique de UQTR
1
Zenodo
1
uO Research (University of Ottawa - uOttawa)
1