Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
43
Directory of Open Access Journals: DOAJ Articles
40
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
36
Natural Environment Research Council: NERC Open Research Archive
30
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
29
Université de Nantes: HAL-UNIV-NANTES
26
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
25
Niedersächsisches Online-Archiv NOA
21
LeibnizOpen (The Leibniz Association)
20
Max Planck Society: MPG.PuRe
20
University of Southampton: e-Prints Soton
19
Unknown
19
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
16
Digital.CSIC (Spanish National Research Council)
14
eCite UTAS (University of Tasmania)
12
Institut national des sciences de l'Univers: HAL-INSU
11
Cambridge University Press
10
University of Groningen research database
10
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
9
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
8
Université de Bretagne Occidentale: HAL
8
Australian National University: ANU Digital Collections
7
Wiley Online Library
7
NIOZ Repository (Royal Netherlands Institute for Sea Research)
6
ORA - Oxford University Research Archive
6
University of Bergen: Bergen Open Research Archive (BORA-UiB)
6
University of East Anglia: UEA Digital Repository
6
Zenodo
6
BORIS (Bern Open Repository and Information System, University of Bern)
5
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
5
University of California: eScholarship
5
University of Cambridge, Department of Earth Sciences: ESC Publications
5
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
5
Cardiff University: ORCA (Online Research @ Cardiff)
4
CentAUR: Central Archive at the University of Reading
4
Columbia University: Academic Commons
4
DSpace@MIT (Massachusetts Institute of Technology)
4
Ghent University Academic Bibliography
4
Instituto Español de Oceanografía: e-IEO
4
RePEc (Research Papers in Economics)
4
The University of Queensland: UQ eSpace
4
Universidad de Las Palmas de Gran Canaria: Acceda
4
Utrecht University Repository
4
Wiley Online Library (via Crossref)
4
Aarhus University: Research
3
Apollo - University of Cambridge Repository
3
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
3
Digital Commons University of South Florida (USF)
3
ETH Zürich Research Collection
3
Frontiers (Publisher)
3
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