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
Wiley Online Library
14
Canadian Science Publishing (via Crossref)
13
Wiley Online Library (via Crossref)
12
Niedersächsisches Online-Archiv NOA
11
Springer Nature (via Crossref)
11
University of California Press
10
Canadian Science Publishing
9
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
Cambridge University Press
8
ScienceDirect (Elsevier - via Crossref)
7
University College London: UCL Discovery
7
Informa (via Crossref)
5
Institut national de la recherche scientifique, Québec: Espace INRS
5
University of California Press (via Crossref)
5
MSpace at the University of Manitoba
4
Natural Environment Research Council: NERC Open Research Archive
4
ScienceDirect (Elsevier)
4
University of Toronto: Research Repository T-Space
4
Aarhus University: Research
3
Dryad Digital Repository (Duke University)
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
HAL Sorbonne Université
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
Archives ouvertes de Paris-Saclay
1
Arctic Institute of North America
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 de l'Institut Polytechnique de Paris
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
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