Content Provider
Directory of Open Access Journals: DOAJ Articles
52
Unknown
34
DataCite Metadata Store (German National Library of Science and Technology)
30
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
28
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
22
Université de Nantes: HAL-UNIV-NANTES
20
eCite UTAS (University of Tasmania)
20
PubMed Central (PMC)
16
Copernicus Publications: E-Journals
15
University of Tasmania: UTas ePrints
12
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
11
Niedersächsisches Online-Archiv NOA
11
Wiley Online Library
10
The University of Queensland: UQ eSpace
9
Institut national des sciences de l'Univers: HAL-INSU
8
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
8
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
8
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
7
PANGAEA - Data Publisher for Earth & Environmental Science
7
Universidad de Chile: Repositorio académico
7
Natural Environment Research Council: NERC Open Research Archive
6
University of Groningen research database
6
University of St Andrews: Research Portal
6
National Institute of Polar Research Repository, Japan
5
University of California: eScholarship
5
Aix-Marseille Université: HAL
4
Australian National University: ANU Digital Collections
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
MDPI Open Access Publishing
4
Scientia Marina (E-Journal)
4
Université de Bretagne Occidentale: HAL
4
Wiley Online Library (via Crossref)
4
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
4
theses.fr
4
École Polytechnique, Université Paris-Saclay: HAL
4
Cambridge University Press
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Keele University: Keele Research Repository
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
NOVA: The University of Newcastle Research Online (Australia)
3
Repositorio Geofísico Naciona del Perú
3
Springer Nature (via Crossref)
3
Texas A&M University Digital Repository
3
The University of Adelaide: Digital Library
3
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
3
DSpace@MIT (Massachusetts Institute of Technology)
2
Defense Technical Information Center: DTIC Technical Reports database
2
Dialnet - Portada de revistas (Universidad de La Rioja)
2
Digital.CSIC (Spanish National Research Council)
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
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