Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
640
Directory of Open Access Journals: DOAJ Articles
13
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
10
Natural Environment Research Council: NERC Open Research Archive
10
Research Data Australia (Australian National Data Service - ANDS)
8
Unknown
8
eCite UTAS (University of Tasmania)
8
PubMed Central (PMC)
7
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
6
Digital.CSIC (Spanish National Research Council)
4
Oxford University Press (via Crossref)
4
University of Liège: ORBi (Open Repository and Bibliography)
4
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
3
CentAUR: Central Archive at the University of Reading
3
Institut national des sciences de l'Univers: HAL-INSU
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
Oxford University Press
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
The University of Maine: DigitalCommons@UMaine
3
University of South Florida St. Petersburg: Digital USFSP
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Australian National University: ANU Digital Collections
2
Copernicus Publications: E-Journals
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Digital Commons University of South Florida (USF)
2
IEDA: US Antarctic Program Data Center (via DataONE)
2
MDPI Open Access Publishing
2
Max Planck Society: MPG.PuRe
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
RePEc (Research Papers in Economics)
2
Springer Nature (via Crossref)
2
University of California: eScholarship
2
University of Groningen research database
2
Università degli Studi di Siena: USiena air
2
Université de Nantes: HAL-UNIV-NANTES
2
Utrecht University Repository
2
Wiley Online Library
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Zenodo
2
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
2
Aarhus University: Research
1
Anglia Ruskin University: Anglia Ruskin Research Online (ARRO)
1
Anglia Ruskin University: Figshare
1
Archives ouvertes de Paris-Saclay
1
Arctic Portal Library
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
CNR Solar (Scientific Open-access Literature Archive and Repository - National Research Council)
1
Cambridge University Press
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Chalmers University of Technology: Chalmers research
1
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