Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,890
ScienceDirect (Elsevier - via Crossref)
683
Wiley Online Library (via Crossref)
557
Institute for Marine Research: Brage IMR
507
Unknown
498
Technical University of Denmark: DTU Orbit
439
Canadian Science Publishing (via Crossref)
373
HighWire Press (Stanford University)
367
Directory of Open Access Journals: DOAJ Articles
359
Wiley Online Library
351
Springer Nature (via Crossref)
328
ScienceDirect (Elsevier)
310
PubMed Central (PMC)
303
Canadian Science Publishing
274
Digital.CSIC (Spanish National Research Council)
217
Oxford University Press (via Crossref)
192
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
182
Oxford University Press
178
University of Bergen: Bergen Open Research Archive (BORA-UiB)
169
OpenAgrar (OA)
167
University of Tromsø: Munin Open Research Archive
167
Wageningen UR (University & Research Centre): Digital Library
167
Memorial University of Newfoundland: Research Repository
154
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
132
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
131
Zenodo
108
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
100
Frontiers: Figshare
94
PANGAEA - Data Publisher for Earth & Environmental Science
84
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
81
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
81
University of the Highlands and Islands: Research Database of UHI
77
University of Copenhagen: Research
76
Informa (via Crossref)
75
NTNU Open Archive (Norwegian University of Science and Technology)
73
SINTEF Open (Brage)
63
Skemman (Iceland)
63
Instituto Español de Oceanografía: e-IEO
61
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
57
Ghent University Academic Bibliography
54
Aarhus University: Research
53
Cambridge University Press
52
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
52
University of Stirling: Stirling Digital Research Repository
49
Nofima Knowledge Archive (Brage)
48
Université de Nantes: HAL-UNIV-NANTES
47
Dryad Digital Repository (Duke University)
46
RePEc (Research Papers in Economics)
44
MDPI Open Access Publishing
41
LeibnizOpen (The Leibniz Association)
40
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