Content Provider
Directory of Open Access Journals: DOAJ Articles
43
University of Calgary Journal Hosting
29
Unknown
24
LeibnizOpen (The Leibniz Association)
19
DataCite Metadata Store (German National Library of Science and Technology)
17
Canadian Science Publishing (via Crossref)
15
Wiley Online Library (via Crossref)
14
Niedersächsisches Online-Archiv NOA
11
Springer Nature (via Crossref)
11
Wiley Online Library
11
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
Arctic Institute of North America (via Crossref)
8
ScienceDirect (Elsevier - via Crossref)
8
University of California Press (via Crossref)
8
Cambridge University Press
7
University College London: UCL Discovery
7
University of California Press
6
Informa (via Crossref)
5
Institut national de la recherche scientifique, Québec: Espace INRS
5
Canadian Science Publishing
4
MSpace at the University of Manitoba
4
Natural Environment Research Council: NERC Open Research Archive
4
University of Toronto: Research Repository T-Space
4
Aarhus University: Research
3
Dryad Digital Repository (Duke University)
3
ScienceDirect (Elsevier)
3
University of Bristol: Bristol Research
3
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
2
Australian National University: ANU Digital Collections
2
Florida Online Journals (FloridaOJ)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Max Planck Society: MPG.PuRe
2
Oxford University Press
2
Polar Research (E-Journal)
2
RePEc (Research Papers in Economics)
2
The University of Adelaide: Digital Library
2
University of Cambridge, Department of Earth Sciences: ESC Publications
2
Aix-Marseille Université: HAL
1
Cambridge University Press (via Crossref)
1
Carleton University's Institutional Repository
1
City University of New York: CUNY Academic Works
1
DSpace@MIT (Massachusetts Institute of Technology)
1
Dalhousie University: DalSpace Institutional Repository
1
Digital.CSIC (Spanish National Research Council)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
HAL Sorbonne Université
1
HELDA – University of Helsinki Open Repository
1
Indiana University: Digital Library of the Commons (DLC)
1
King's College, London: Research Portal
1
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