Content Provider
Oxford University Press
22
Macquarie University Research Portal
21
Swinburne University of Technology: Swinburne Research Bank
21
DataCite Metadata Store (German National Library of Science and Technology)
13
Caltech Authors (California Institute of Technology)
11
The University of Queensland: UQ eSpace
11
Oxford University Press (via Crossref)
5
University of Western Sydney (UWS): Research Direct
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
HAL Sorbonne Université
2
Institut national des sciences de l'Univers: HAL-INSU
2
Université de Nantes: HAL-UNIV-NANTES
2
Australian National University: ANU Digital Collections
1
Cambridge University Press (via Crossref)
1
Ghent University Academic Bibliography
1
NOVA: The University of Newcastle Research Online (Australia)
1
University of Groningen research database
1
University of St Andrews: Digital Research Repository
1
University of St Andrews: Research Portal
1