Content Provider
Unknown
45
Copernicus Publications: E-Journals
31
Directory of Open Access Journals: DOAJ Articles
27
Niedersächsisches Online-Archiv NOA
19
Natural Environment Research Council: NERC Open Research Archive
18
DataCite Metadata Store (German National Library of Science and Technology)
17
PANGAEA - Data Publisher for Earth & Environmental Science
10
eCite UTAS (University of Tasmania)
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
University of California: eScholarship
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Apollo - University of Cambridge Repository
6
Université de Nantes: HAL-UNIV-NANTES
6
BORIS (Bern Open Repository and Information System, University of Bern)
5
Cambridge University Press
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
Université Grenoble Alpes: HAL
5
PubMed Central (PMC)
4
University of Copenhagen: Research
4
Utrecht University Repository
4
Archives ouvertes de Paris-Saclay
3
DIAL@UCLouvain (Université catholique de Louvain)
3
DIAL@USL-B (Université Saint-Louis, Bruxelles)
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
ScholarsArchive@OSU (Oregon State University)
3
University of Tasmania: UTas ePrints
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
Wiley Online Library (via Crossref)
3
Columbia University: Academic Commons
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
IRUA - Institutional Repository van de Universiteit Antwerpen
2
JPL Technical Report Server
2
Macquarie University Research Portal
2
National Institute of Polar Research Repository, Japan
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
Ohio State University (OSU): Knowledge Bank
2
Portal de Periódicos UFGD
2
ScienceDirect (Elsevier - via Crossref)
2
University of Washington, Seattle: ResearchWorks
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
2
White Rose Research Online (Universities of Leeds, Sheffield & York)
2
AIP Publishing
1
Aix-Marseille Université: HAL
1
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archive de l'Observatoire de Paris (HAL)
1
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
1
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