Content Provider
Biodiversity Heritage Library (BHL)
54
WikiBooks - Open-content textbooks
49
Technical University of Denmark: DTU Orbit
29
University of Copenhagen: Research
19
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
17
Unknown
16
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
13
Aarhus University: Research
10
Arctic Portal Library
9
Cambridge University Press
9
GEO-LEOe-docs (FID GEO)
9
Wiley Online Library
9
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
8
University of Tartu: Dspace
8
DataCite Metadata Store (German National Library of Science and Technology)
6
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
6
Springer Nature
6
Springer Nature (via Crossref)
6
Texas A&M University Digital Repository
6
UNESDOC - UNESCO Digital Library
6
VTT's Research Information Portal
6
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
5
University of Southampton: e-Prints Soton
5
Frontiers (Publisher)
4
LaCRIS - University of Lapland Current Research System
4
University of the Highlands and Islands: Research Database of UHI
4
Zenodo
4
CEDA document repository (Centre for Environmental Data Analysis)
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
Oxford University Press (via Crossref)
3
RePEc (Research Papers in Economics)
3
Research Institute for Humanity and Nature Repository
3
The National Academies Press
3
University of Bristol: Bristol Research
3
norden (Nordic Council of Ministers): Publications (DiVA)
3
Arctic Council Repository
2
DataCite
2
Digital.CSIC (Spanish National Research Council)
2
Informa
2
KITopen (Karlsruhe Institute of Technologie)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
British Museum Research Repository
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
CentAUR: Central Archive at the University of Reading
1
EconStor (German National Library of Economics, ZBW)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
HELDA – University of Helsinki Open Repository
1
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
1
IIASA PURE (International Institute of Applied Systems Analysis: PUblications REpository)
1
IRIS Università degli Studi di Napoli Federico II
1
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