Content Provider
Frontiers: Figshare
5
Old Dominion University: ODU Digital Commons
3
DataCite Metadata Store (German National Library of Science and Technology)
2
Directory of Open Access Journals: DOAJ Articles
2
The Royal Society: Figshare
2
eCite UTAS (University of Tasmania)
2
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
1
Cambridge University Press
1
DRO - Deakin Research Online
1
Imperial College London: Spiral
1
NASA Technical Reports Server (NTRS)
1
Unknown
1