Content Provider
Unknown
23
Directory of Open Access Journals: DOAJ Articles
20
Copernicus Publications: E-Journals
14
DataCite Metadata Store (German National Library of Science and Technology)
12
Niedersächsisches Online-Archiv NOA
9
Defense Technical Information Center: DTIC Technical Reports database
7
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
6
Natural Environment Research Council: NERC Open Research Archive
5
University of Southampton: e-Prints Soton
5
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
MDPI Open Access Publishing
4
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
4
PubMed Central (PMC)
4
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
4
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
3
Ghent University Academic Bibliography
3
Magnolia press
3
Max Planck Society: MPG.PuRe
3
Theses Canada/Thèses Canada (Library and Archives Canada)
3
University of British Columbia: cIRcle - UBC's Information Repository
3
University of Calgary Journal Hosting
3
University of Tromsø: Munin Open Research Archive
3
Xiamen University Institutional Repository
3
Digital Repository @ Iowa State University
2
ETH Zürich Research Collection
2
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
2
Institut national des sciences de l'Univers: HAL-INSU
2
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
Norwegian Institute for Nature Research: Brage NINA
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Polar Research (E-Journal)
2
Prince of Songkla University: PSU Knowledge Bank
2
Stockholm University: Publications (DiVA)
2
University of Bergen: Bergen Open Research Archive (BORA-UiB)
2
University of California: eScholarship
2
University of Victoria (Canada): UVicDSpace
2
University of Washington, Seattle: ResearchWorks
2
Université de Bretagne Occidentale: HAL
2
Université de Nantes: HAL-UNIV-NANTES
2
Aarhus University: Research
1
Akademicka Platforma Czasopism
1
Akademicka Platforma Czasopism (APCZ)
1
Archives ouvertes de Paris-Saclay
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Bangor University: Research Portal
1
BioMed Central
1
BioOne Online Journals
1
Columbia University: Academic Commons
1
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