Content Provider
Charles University CU Digital repository
3
DataCite Metadata Store (German National Library of Science and Technology)
2
Theses Canada/Thèses Canada (Library and Archives Canada)
2
Xiamen University Institutional Repository
2
HELDA – University of Helsinki Open Repository
1
RUcore - Rutgers University Community Repository
1
The University of Waikato: Research Commons
1
Universidade do Estado do Rio de Janeiro (UERJ): Biblioteca Digital de Teses e Dissertações da UERJ
1
University of Auckland Research Repository - ResearchSpace
1
University of British Columbia: cIRcle - UBC's Information Repository
1
University of East Anglia: UEA Digital Repository
1
Unknown
1