Content Provider
Natural Environment Research Council: NERC Open Research Archive
55
Directory of Open Access Journals: DOAJ Articles
40
Niedersächsisches Online-Archiv NOA
21
DataCite Metadata Store (German National Library of Science and Technology)
12
University of Bergen: Bergen Open Research Archive (BORA-UiB)
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
11
Unknown
10
Northumbria University, Newcastle: Northumbria Research Link (NRL)
9
eCite UTAS (University of Tasmania)
8
Université de Nantes: HAL-UNIV-NANTES
7
Cambridge University Press
6
Digital.CSIC (Spanish National Research Council)
6
Ghent University Academic Bibliography
6
Polar Research (E-Journal)
5
University of Southampton: e-Prints Soton
5
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
4
Apollo - University of Cambridge Repository
4
Durham University: Durham Research Online
4
Springer Nature (via Crossref)
4
University of East Anglia: UEA Digital Repository
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
GEO-LEOe-docs (FID GEO)
3
HAL de l'Institut Polytechnique de Paris
3
Imperial College London: Spiral
3
Max Planck Society: MPG.PuRe
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
University College London: UCL Discovery
3
University of Glasgow: Enlighten - Publications
3
University of Tasmania: UTas ePrints
3
École Polytechnique, Université Paris-Saclay: HAL
3
Arctic Portal Library
2
Digital Commons University of South Florida (USF)
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Institut national des sciences de l'Univers: HAL-INSU
2
ORA - Oxford University Research Archive
2
Old Dominion University: ODU Digital Commons
2
University of California: eScholarship
2
University of Pretoria: UPSpace
2
University of South Florida St. Petersburg: Digital USFSP
2
University of Tromsø: Munin Open Research Archive
2
Utrecht University Repository
2
Wageningen UR (University & Research Centre): Digital Library
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Ambiente & Água (E-Journal, Universidade de Taubaté)
1
Caltech Authors (California Institute of Technology)
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Delft University of Technology: Institutional Repository
1
ETH Zürich Research Collection
1
James Cook University, Australia: ResearchOnline@JCU
1
more ...