Content Provider
Directory of Open Access Journals: DOAJ Articles
23
Unknown
18
PubMed Central (PMC)
13
DataCite Metadata Store (German National Library of Science and Technology)
12
Wiley Online Library
12
Copernicus Publications: E-Journals
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
6
Niedersächsisches Online-Archiv NOA
6
University of Calgary Journal Hosting
6
Canadian Science Publishing (via Crossref)
5
PANGAEA - Data Publisher for Earth & Environmental Science
5
Theses Canada/Thèses Canada (Library and Archives Canada)
5
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
5
Defense Technical Information Center: DTIC Technical Reports database
4
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
MDPI Open Access Publishing
4
University of Alaska: ScholarWorks@UA
4
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
3
Natural Environment Research Council: NERC Open Research Archive
3
Oxford University Press
3
The Royal Society
3
University of British Columbia: cIRcle - UBC's Information Repository
3
University of Tromsø: Munin Open Research Archive
3
Washington State University: WSU Libraries Digital Collections
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Digital Repository @ Iowa State University
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Magnolia press
2
National Institute of Polar Research Repository, Japan
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
ScienceDirect (Elsevier - via Crossref)
2
University of California: eScholarship
2
University of Southampton: e-Prints Soton
2
University of Victoria (Canada): UVicDSpace
2
Université de Nantes: HAL-UNIV-NANTES
2
Wiley Online Library (via Crossref)
2
AAAS Resource Center (American Association for the Advancement of Science)
1
Aarhus University: Research
1
Archives ouvertes de Paris-Saclay
1
Arctic Portal Library
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
BioMed Central
1
BioOne Online Journals
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Cambridge University Press
1
Cambridge University Press (via Crossref)
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
City University of New York: CUNY Academic Works
1
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