Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
84
Cardiff University: ORCA (Online Research @ Cardiff)
4
Digital Commons University of South Florida (USF)
1
The Open University: Open Research Online (ORO)
1
University of Michigan: Deep Blue
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Southampton: e-Prints Soton
1