Content Provider
Directory of Open Access Journals: DOAJ Articles
32
Unknown
18
Aarhus University: Research
16
Niedersächsisches Online-Archiv NOA
12
Wiley Online Library
11
University of Calgary Journal Hosting
10
Institut national des sciences de l'Univers: HAL-INSU
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
Université de Nantes: HAL-UNIV-NANTES
7
University of Copenhagen: Research
6
University of St Andrews: Research Portal
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
DataCite
4
EPHE (Ecole pratique des hautes études, Paris): HAL
4
HAL Sorbonne Université
4
Natural Environment Research Council: NERC Open Research Archive
4
Springer Nature (via Crossref)
4
University of Lincoln: Lincoln Repository
4
Université de Bretagne Occidentale: HAL
4
DataCite Metadata Store (German National Library of Science and Technology)
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
HELDA – University of Helsinki Open Repository
3
Lund University Publications (LUP)
3
OSKAR Bordeaux (Open Science Knowledge ARchive)
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
Portail HAL-ANR (Agence Nationale de la Recherche)
3
SAGE Publications
3
University College London: UCL Discovery
3
University of Liège: ORBi (Open Repository and Bibliography)
3
University of Southampton: e-Prints Soton
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
École Polytechnique, Université Paris-Saclay: HAL
3
Archives ouvertes de Paris-Saclay
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
KOPS - The Institutional Repository of the University of Konstanz
2
Max Planck Society: MPG.PuRe
2
Muséum National d'Histoire Naturelle (MNHM): HAL
2
Polar Research
2
Technical University of Denmark: DTU Orbit
2
University of Bristol: Bristol Research
2
University of Tromsø: Munin Open Research Archive
2
Université de Paris: Portail HAL
2
Utrecht University Repository
2
Aix-Marseille Université: HAL
1
Cambridge University Press
1
Canadian Science Publishing
1
Columbia University: Academic Commons
1
Delft University of Technology: Institutional Repository
1
Digital.CSIC (Spanish National Research Council)
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
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