Content Provider
Directory of Open Access Journals: DOAJ Articles
13,472
DataCite Metadata Store (German National Library of Science and Technology)
18
Aberdeen University Research Archive (AURA)
16
University of St Andrews: Digital Research Repository
4
Technical University of Denmark: DTU Orbit
2
Apollo - University of Cambridge Repository
1
Carolina Digital Repository (UNC - University of North Carolina)
1
SSOAR - Social Science Open Access Repository
1
University of St Andrews: Research Portal
1
Zenodo
1