Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
327
University of Alberta: Era - Education and Research Archive
68
Frontiers: Figshare
63
Unknown
62
KovsieScholar Repository (University of the Free State - UFS UV)
18
Digital.CSIC (Spanish National Research Council)
15
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
7
DigiTool Collections - The University of Auckland
5
Instituto Español de Oceanografía: e-IEO
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
Purdue University: e-Pubs
5
National Library of Australia: Digital Collections
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Institut national des sciences de l'Univers: HAL-INSU
1
MédiHAL
1
ScholarsArchive@OSU (Oregon State University)
1
Smithsonian Institution: Figshare
1
The Royal Society: Figshare
1
The Scholarship Repository of Florida Institute of Technology
1
University of Michigan: Digital Collections
1
Université de Nantes: HAL-UNIV-NANTES
1