Content Provider
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
3
University of North Texas: UNT Digital Library
3
Charles University CU Digital repository
2
DataCite Metadata Store (German National Library of Science and Technology)
2
University of Cape Town: OpenUCT
2
Unknown
2
Victoria University of Wellington: ResearchArchive
2
Dipòsit Digital de la Universitat de Barcelona
1
Open Access Victoria University of Wellington / Te Herenga Waka
1
Research Data Australia (Australian National Data Service - ANDS)
1
University of Calgary Journal Hosting
1
University of São Paulo: Digital Library of Theses and Dissertations
1