Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,220
Directory of Open Access Journals: DOAJ Articles
1,192
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
717
Université de Nantes: HAL-UNIV-NANTES
538
Unknown
480
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
258
Institut national des sciences de l'Univers: HAL-INSU
244
Natural Environment Research Council: NERC Open Research Archive
204
ScienceDirect (Elsevier - via Crossref)
192
Springer Nature (via Crossref)
190
eCite UTAS (University of Tasmania)
189
Niedersächsisches Online-Archiv NOA
182
Cambridge University Press
173
Wiley Online Library (via Crossref)
169
University of California: eScholarship
160
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
156
LeibnizOpen (The Leibniz Association)
152
University of Tasmania: UTas ePrints
135
Wiley Online Library
135
University of Southampton: e-Prints Soton
133
Indian Academy of Sciences: Publication of Fellows
126
HAL Sorbonne Université
104
HAL - Université de La Rochelle
93
RePEc (Research Papers in Economics)
93
Australian National University: ANU Digital Collections
87
University of Calgary Journal Hosting
87
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
78
Digital.CSIC (Spanish National Research Council)
77
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
73
Université de Bretagne Occidentale: HAL
71
Max Planck Society: MPG.PuRe
68
ScienceDirect (Elsevier)
68
Magnolia press
67
Informa (via Crossref)
61
Ministry of Earth Sciences, Government of India: Open Access Digital Repository
61
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
55
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
54
Frontiers (Publisher)
52
SAGE Publications (via Crossref)
52
Zenodo
50
ORA - Oxford University Research Archive
46
AJOL - African Journals Online
45
The University of Queensland: UQ eSpace
45
Muséum National d'Histoire Naturelle (MNHM): HAL
43
Central Marine Fisheries Research Institute, Kochi, India: Eprints@CMFRI
42
EPHE (Ecole pratique des hautes études, Paris): HAL
42
Open Access Journal Hosting (University of British Columbia)
42
Canadian Science Publishing (via Crossref)
40
University of East Anglia: UEA Digital Repository
40
University of Pretoria: UPSpace
40
more ...