Content Provider
Natural Environment Research Council: NERC Open Research Archive
20
Norwegian Institute for Nature Research: Brage NINA
6
NTNU Open Archive (Norwegian University of Science and Technology)
5
DataCite Metadata Store (German National Library of Science and Technology)
4
Springer Nature (via Crossref)
4
Wiley Online Library
4
PubMed Central (PMC)
3
University of Tromsø: Munin Open Research Archive
3
Aberdeen University Research Archive (AURA)
2
Informa
2
King Abdullah University of Science and Technology: KAUST Repository
2
The Winnower
2
University of Kent: KAR - Kent Academic Repository
2
University of Southampton: e-Prints Soton
2
Wiley Online Library (via Crossref)
2
Zenodo
2
Aarhus University: Research
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Lancaster University: Lancaster Eprints
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
The University of Liverpool Repository
1
Université de Nantes: HAL-UNIV-NANTES
1
Université du Littoral Côte d'Opale portail
1