Content Provider
LeibnizOpen (The Leibniz Association)
19
eCite UTAS (University of Tasmania)
10
Directory of Open Access Journals: DOAJ Articles
5
University of Tasmania: UTas ePrints
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
DataCite Metadata Store (German National Library of Science and Technology)
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Unknown
3
Copernicus Publications: E-Journals
2
Digital.CSIC (Spanish National Research Council)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
National Institute of Polar Research Repository, Japan
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
HAL - Université de La Rochelle
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
MDPI Open Access Publishing
1
Natural Environment Research Council: NERC Open Research Archive
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Polar Research
1
PubMed Central (PMC)
1
The University of Queensland: UQ eSpace
1
University of Southampton: e-Prints Soton
1
University of St Andrews: Research Portal
1
Université de Nantes: HAL-UNIV-NANTES
1
Uppsala University: Publications (DiVA)
1