Content Provider
Directory of Open Access Journals: DOAJ Articles
72
Cambridge University Press
32
DataCite Metadata Store (German National Library of Science and Technology)
7
Imperial College London: Spiral
6
Australian National University: ANU Digital Collections
2
The University of Queensland: UQ eSpace
2
University of California: eScholarship
2
eCite UTAS (University of Tasmania)
2
Columbia University: Academic Commons
1
ScienceDirect (Elsevier - via Crossref)
1
The University of Waikato: Research Commons
1
University of Hull: Repository@Hull
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1