Content Provider
Directory of Open Access Journals: DOAJ Articles
973
Wiley Online Library
649
Springer Nature (via Crossref)
428
Wiley Online Library (via Crossref)
427
ScienceDirect (Elsevier - via Crossref)
394
DataCite Metadata Store (German National Library of Science and Technology)
293
Unknown
263
ScienceDirect (Elsevier)
256
Canadian Science Publishing (via Crossref)
240
University of Calgary Journal Hosting
190
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
183
Informa (via Crossref)
179
University of Copenhagen: Research
154
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
139
Lund University Publications (LUP)
136
Niedersächsisches Online-Archiv NOA
135
Canadian Science Publishing
123
University of Tromsø: Munin Open Research Archive
114
HELDA – University of Helsinki Open Repository
106
Institut national des sciences de l'Univers: HAL-INSU
104
Université de Nantes: HAL-UNIV-NANTES
103
Aarhus University: Research
101
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
99
Cambridge University Press
98
Natural Resources Institute Finland: Jukuri
84
Informa
83
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
82
Arctic Institute of North America (via Crossref)
82
RePEc (Research Papers in Economics)
82
Oxford University Press
76
Frontiers (Publisher)
75
Oxford University Press (via Crossref)
73
University of California: eScholarship
70
Vrije Universiteit Amsterdam (VU): Research Portal
67
JSTOR (via Crossref)
66
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)
43
LaCRIS - University of Lapland Current Research System
41
Digital.CSIC (Spanish National Research Council)
39
HAL Sorbonne Université
39
IOP Publishing (via Crossref)
39
Cambridge University Press (via Crossref)
38
IRUA - Institutional Repository van de Universiteit Antwerpen
38
The Hong Kong University of Science and Technology: HKUST Institutional Repository
38
Institut national de la recherche scientifique, Québec: Espace INRS
37
Max Planck Society: MPG.PuRe
37
SAGE Publications
37
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