Content Provider
Directory of Open Access Journals: DOAJ Articles
61
University of Calgary Journal Hosting
59
Wiley Online Library
43
Canadian Science Publishing (via Crossref)
34
Wiley Online Library (via Crossref)
31
DataCite Metadata Store (German National Library of Science and Technology)
25
Canadian Science Publishing
14
Cambridge University Press
13
University of California: eScholarship
13
Arctic Institute of North America (via Crossref)
10
Oxford University Press (via Crossref)
10
ScienceDirect (Elsevier - via Crossref)
10
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
9
Niedersächsisches Online-Archiv NOA
9
The Hong Kong University of Science and Technology: HKUST Institutional Repository
9
Cambridge University Press (via Crossref)
8
Frontiers (Publisher)
8
Informa (via Crossref)
8
Unknown
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Institut national des sciences de l'Univers: HAL-INSU
7
Caltech Authors (California Institute of Technology)
6
Oxford University Press
6
Université de Nantes: HAL-UNIV-NANTES
6
Digital Commons University of South Florida (USF)
5
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
5
Informa
5
Springer Nature (via Crossref)
5
University of South Florida St. Petersburg: Digital USFSP
5
University of Southampton: e-Prints Soton
5
Wageningen UR (University & Research Centre): Digital Library
5
Lund University Publications (LUP)
4
Magnolia press
4
ScholarsArchive@OSU (Oregon State University)
4
University of Tromsø: Munin Open Research Archive
4
ASM Journals (American Society for Microbiology - via Crossref)
3
Hindawi Publishing Corporation
3
NORA (National aggregator of open repositories of Russian universities)
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
PLOS
3
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
3
RePEc (Research Papers in Economics)
3
SAGE Publications
3
ScienceDirect (Elsevier)
3
University of Chicago Press (via Crossref)
3
University of Potsdam: publish.UP
3
University of Toronto: Research Repository T-Space
3
Université Grenoble Alpes: HAL
3
Université Savoie Mont Blanc: HAL
3
Vrije Universiteit Amsterdam (VU): Research Portal
3
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