Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
279
Unknown
18
Directory of Open Access Journals: DOAJ Articles
15
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
15
Copernicus Publications: E-Journals
9
PANGAEA - Data Publisher for Earth & Environmental Science
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
6
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
ETH Zürich Research Collection
5
Naval Postgraduate School: Calhoun
5
Defense Technical Information Center: DTIC Technical Reports database
4
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
4
Norwegian Polar Data Centre
4
Polar Research (E-Journal)
4
University of Southampton: e-Prints Soton
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Australian National University: ANU Digital Collections
3
Digital.CSIC (Spanish National Research Council)
3
HighWire Press (Stanford University)
3
NIOZ Repository (Royal Netherlands Institute for Sea Research)
3
Niedersächsisches Online-Archiv NOA
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
University of Copenhagen: Research
3
University of Tromsø: Septentrio Academic Publishing
3
Natural Environment Research Council: NERC Open Research Archive
2
PubMed Central (PMC)
2
University of East Anglia: UEA Digital Repository
2
Aarhus University: Research
1
ArXiv.org (Cornell University Library)
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Delft University of Technology: Institutional Repository
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
GEO-LEOe-docs (FID GEO)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Institut national des sciences de l'Univers: HAL-INSU
1
LIU - Linköping University: Publications (DiVA)
1
Lund University Publications (LUP)
1
MDPI Open Access Publishing
1
MSpace at the University of Manitoba
1
Max Planck Society: MPG.PuRe
1
Old Dominion University: ODU Digital Commons
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
Oxford University Press
1
Polar Research
1
SEANOE (Sea scientific open data publication)
1
Saint Petersburg State University: Research Repository (DSpace SPbU)
1
Springer Nature (via Crossref)
1
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
1
Technical University of Denmark: DTU Orbit
1
more ...