Content Provider
Natural Environment Research Council: NERC Open Research Archive
79
LeibnizOpen (The Leibniz Association)
64
Directory of Open Access Journals: DOAJ Articles
57
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
42
DataCite Metadata Store (German National Library of Science and Technology)
32
Unknown
32
Niedersächsisches Online-Archiv NOA
30
University of California: eScholarship
23
Northumbria University, Newcastle: Northumbria Research Link (NRL)
19
University of Bristol: Bristol Research
16
Digital Commons University of South Florida (USF)
14
University of South Florida St. Petersburg: Digital USFSP
13
Utrecht University Repository
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
Institut national des sciences de l'Univers: HAL-INSU
11
University College London: UCL Discovery
11
ScienceDirect (Elsevier - via Crossref)
10
Caltech Authors (California Institute of Technology)
9
Imperial College London: Spiral
9
Université de Nantes: HAL-UNIV-NANTES
9
eCite UTAS (University of Tasmania)
9
Cambridge University Press
8
University of Southampton: e-Prints Soton
8
Université Grenoble Alpes: HAL
8
University of East Anglia: UEA Digital Repository
7
Apollo - University of Cambridge Repository
6
Columbia University: Academic Commons
6
Durham University: Durham Research Online
6
Springer Nature (via Crossref)
6
University of Glasgow: Enlighten - Publications
6
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
5
Delft University of Technology: Institutional Repository
5
The Open University: Open Research Online (ORO)
5
AAAS Resource Center (American Association for the Advancement of Science)
4
ETH Zürich Research Collection
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
King's College, London: Research Portal
4
Météo-France: HAL
4
Publication Database PIK (Potsdam Institute for Climate Impact Research)
4
The University of Liverpool Repository
4
Université Toulouse III - Paul Sabatier: HAL-UPS
4
Max Planck Society: MPG.PuRe
3
Newcastle University Library ePrints Service
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
3
Rice University: Digital Scholarship Archive
3
University of Liège: ORBi (Open Repository and Bibliography)
3
University of St Andrews: Digital Research Repository
3
University of St Andrews: Research Portal
3
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