Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
9
Macquarie University Research Portal
9
Swinburne University of Technology: Swinburne Research Bank
9
The University of Queensland: UQ eSpace
7
ArXiv.org (Cornell University Library)
6
Oxford University Press
5
University of St Andrews: Research Portal
5
Swinburne Research Bank (Swinburne University of Technology)
4
Carolina Digital Repository (UNC - University of North Carolina)
3
University of St Andrews: Digital Research Repository
3
Caltech Authors (California Institute of Technology)
2
Durham University: Durham Research Online
2
HighWire Press (Stanford University)
2
Oxford University Press (via Crossref)
2
University of Western Sydney (UWS): Research Direct
2
DataCite
1