Content Provider
University of California: eScholarship
5
Lund University Publications (LUP)
4
Digital Commons University of South Florida (USF)
3
University of South Florida St. Petersburg: Digital USFSP
3
Unknown
3
DataCite Metadata Store (German National Library of Science and Technology)
2
UNSW Sydney (The University of New South Wales): UNSWorks
2
Australian National University: ANU Digital Collections
1
Carolina Digital Repository (UNC - University of North Carolina)
1
City University of New York: CUNY Academic Works
1
Dipòsit Digital de la Universitat de Barcelona
1
The University of Kansas: KU ScholarWorks
1
The University of Sydney: Sydney eScholarship Repository
1
University of Alaska: ScholarWorks@UA
1
University of Maryland: Digital Repository (DRUM)
1