Content Provider
Directory of Open Access Journals: DOAJ Articles
187
University of Calgary Journal Hosting
123
Canadian Science Publishing (via Crossref)
121
DataCite Metadata Store (German National Library of Science and Technology)
95
Cambridge University Press
77
Unknown
48
Wiley Online Library
48
Wiley Online Library (via Crossref)
40
RePEc (Research Papers in Economics)
36
ScienceDirect (Elsevier - via Crossref)
35
Springer Nature (via Crossref)
34
Niedersächsisches Online-Archiv NOA
31
Cambridge University Press (via Crossref)
27
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
26
Arctic Institute of North America (via Crossref)
25
Informa (via Crossref)
20
Canadian Science Publishing
19
The Canadian Field-Naturalist (E-Journal)
19
Carleton University's Institutional Repository
16
Magnolia press
15
University of Toronto: Research Repository T-Space
15
Zenodo
15
University of Tromsø: Septentrio Academic Publishing
13
SAGE Publications (via Crossref)
12
University of Potsdam: publish.UP
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
University of California: eScholarship
9
Aarhus University: Research
8
Biodiversity Heritage Library (BHL)
8
ScienceDirect (Elsevier)
8
Indiana University: Digital Library of the Commons (DLC)
7
Open Access Journal Hosting (University of British Columbia)
7
Université de Nantes: HAL-UNIV-NANTES
7
VIURRSpace (Royal Roads University and Vancouver Island University)
7
Dryad Digital Repository (Duke University)
6
Institut national de la recherche scientifique, Québec: Espace INRS
6
University of New Brunswick: Centre for Digital Scholarship Journals
6
Arctic Institute of North America
5
Caltech Authors (California Institute of Technology)
5
Florida Online Journals (FloridaOJ)
5
Harvard University: DASH - Digital Access to Scholarship at Harvard
5
Informa
5
Institut national des sciences de l'Univers: HAL-INSU
5
Summit - SFU Research Repository (Simon Fraser University)
5
The University of Western Ontario: Scholarship@Western
5
National Research Council Canada: NRC Publications Archive
4
ORA - Oxford University Research Archive
4
OpenAgrar (OA)
4
Oxford University Press (via Crossref)
4
University College London: UCL Discovery
4
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