Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
81
Unknown
22
Frontiers: Figshare
10
Geological Society of London: Figshare
6
Digital.CSIC (Spanish National Research Council)
2
Australian National University: ANU Digital Collections
1
New Zealand Electronic Text Collection (Victoria University of Wellington)
1
Old Dominion University: ODU Digital Commons
1