Content Provider
University of Massachusetts: ScholarWorks@UMass Amherst
8
Frontiers: Figshare
4
DataCite Metadata Store (German National Library of Science and Technology)
3
Directory of Open Access Journals: DOAJ Articles
2
University of St Andrews: Research Portal
2
Aarhus University: Research
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Imperial College London: Spiral
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Stellenbosch University: SUNScholar Research Repository
1
Technical University of Denmark: DTU Orbit
1
University of Pretoria: UPSpace
1
Université de Bourgogne (UB): HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
1