Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
8
Digital Commons University of South Florida (USF)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of Nebraska Omaha: DigitalCommons@UNO
1
University of South Florida St. Petersburg: Digital USFSP
1
Wiley Online Library (via Crossref)
1