Content Provider
Directory of Open Access Journals: DOAJ Articles
973
Wiley Online Library
567
Wiley Online Library (via Crossref)
496
ScienceDirect (Elsevier - via Crossref)
487
Springer Nature (via Crossref)
428
DataCite Metadata Store (German National Library of Science and Technology)
293
Canadian Science Publishing (via Crossref)
268
Unknown
263
Informa (via Crossref)
198
University of Calgary Journal Hosting
190
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
183
ScienceDirect (Elsevier)
153
University of Copenhagen: Research
152
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
137
Lund University Publications (LUP)
134
Niedersächsisches Online-Archiv NOA
134
University of Tromsø: Munin Open Research Archive
114
HELDA – University of Helsinki Open Repository
104
Université de Nantes: HAL-UNIV-NANTES
103
Aarhus University: Research
101
Institut national des sciences de l'Univers: HAL-INSU
100
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
98
Cambridge University Press
94
Canadian Science Publishing
94
Arctic Institute of North America (via Crossref)
85
Natural Resources Institute Finland: Jukuri
84
RePEc (Research Papers in Economics)
82
Oxford University Press (via Crossref)
81
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
79
Frontiers (Publisher)
75
University of California: eScholarship
70
Vrije Universiteit Amsterdam (VU): Research Portal
67
JSTOR (via Crossref)
66
Informa
64
Oxford University Press
64
Umeå University: Publications (DiVA)
63
Natural Environment Research Council: NERC Open Research Archive
59
Zenodo
51
Dryad Digital Repository (Duke University)
45
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
42
Cambridge University Press (via Crossref)
42
SAGE Publications (via Crossref)
42
IOP Publishing (via Crossref)
41
LaCRIS - University of Lapland Current Research System
39
HAL Sorbonne Université
38
The Hong Kong University of Science and Technology: HKUST Institutional Repository
38
Digital.CSIC (Spanish National Research Council)
37
IRUA - Institutional Repository van de Universiteit Antwerpen
37
Max Planck Society: MPG.PuRe
37
ScholarsArchive@OSU (Oregon State University)
37
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