Content Provider
Institute for Marine Research: Brage IMR
8
PANGAEA - Data Publisher for Earth & Environmental Science
8
Defense Technical Information Center: DTIC Technical Reports database
6
DataCite Metadata Store (German National Library of Science and Technology)
3
Naval Postgraduate School: Calhoun
3
Directory of Open Access Journals: DOAJ Articles
2
University of Tromsø: Septentrio Academic Publishing
2
Aarhus University: Research
1
Cambridge University Press
1
HighWire Press (Stanford University)
1
Institute for Energy Technology: IFE Brage
1
Max Planck Society: MPG.PuRe
1
NTNU Open Access Journals (Norwegian University of Science and Technology)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Polar Research (E-Journal)
1
Springer Nature (via Crossref)
1
The Czech Academy of Sciences: Publication Activity (ASEP)
1
University of Calgary Journal Hosting
1
University of Copenhagen: Research
1
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
1
Zenodo
1