Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
54
LeibnizOpen (The Leibniz Association)
43
Directory of Open Access Journals: DOAJ Articles
37
Zenodo
34
Unknown
28
Frontiers: Figshare
23
PANGAEA - Data Publisher for Earth & Environmental Science
16
DataCite
15
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
MDPI Open Access Publishing
12
Institut national des sciences de l'Univers: HAL-INSU
10
Université de Nantes: HAL-UNIV-NANTES
9
Arctic Data Center (via DataONE)
8
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Aarhus University: Research
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
6
Digital.CSIC (Spanish National Research Council)
5
HELDA – University of Helsinki Open Repository
5
Magnolia press
5
Météo-France: HAL
5
University of California: eScholarship
5
Archives ouvertes de Paris-Saclay
4
Dryad Digital Repository (Duke University)
4
HAL Sorbonne Université
4
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
4
Instituto Español de Oceanografía: e-IEO
4
University of Tasmania: UTas ePrints
4
University of Tromsø: Munin Open Research Archive
4
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
4
Utrecht University Repository
4
Australian National University: ANU Digital Collections
3
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
3
Charles University CU Digital repository
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Lund University Publications (LUP)
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
Norwegian Polar Data Centre
3
University College London: UCL Discovery
3
University of Liège: ORBi (Open Repository and Bibliography)
3
University of Massachusetts: ScholarWorks@UMass Amherst
3
University of the Highlands and Islands: Research Database of UHI
3
Université Toulouse III - Paul Sabatier: HAL-UPS
3
Université de Bretagne Occidentale: HAL
3
Université de Paris: Portail HAL
3
École Polytechnique, Université Paris-Saclay: HAL
3
Carleton University's Institutional Repository
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Ghent University Academic Bibliography
2
HAL Portal Paul-Valéry University Montpellier 3
2
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