Content Provider
Unknown
38
HighWire Press (Stanford University)
34
University of Alaska: ScholarWorks@UA
13
ScienceDirect (Elsevier - via Crossref)
12
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
11
Canadian Science Publishing (via Crossref)
10
Wiley Online Library (via Crossref)
10
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
9
Oxford University Press (via Crossref)
7
ScholarsArchive@OSU (Oregon State University)
7
Directory of Open Access Journals: DOAJ Articles
6
OpenAgrar (OA)
5
Wiley Online Library
4
Springer Nature (via Crossref)
3
University of St Andrews: Research Portal
3
Canadian Science Publishing
2
DataCite Metadata Store (German National Library of Science and Technology)
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Oxford University Press
2
PubMed Central (PMC)
2
ScienceDirect (Elsevier)
2
University of California: eScholarship
2
Aarhus University: Research
1
BioMed Central
1
Digital.CSIC (Spanish National Research Council)
1
Hathi Trust Digital Library
1
Indiana University: Digital Library of the Commons (DLC)
1
Institute for Marine Research: Brage IMR
1
Instituto Español de Oceanografía: e-IEO
1
Natural Environment Research Council: NERC Open Research Archive
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Open archive Nord universitet
1
Saga University Institutional Repository
1
University of Calgary Journal Hosting
1
University of Tromsø: Munin Open Research Archive
1