Content Provider
LeibnizOpen (The Leibniz Association)
134
Directory of Open Access Journals: DOAJ Articles
113
Copernicus Publications: E-Journals
97
Unknown
76
Niedersächsisches Online-Archiv NOA
67
DataCite Metadata Store (German National Library of Science and Technology)
61
Natural Environment Research Council: NERC Open Research Archive
48
eCite UTAS (University of Tasmania)
44
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
33
University of Tasmania: UTas ePrints
28
Northumbria University, Newcastle: Northumbria Research Link (NRL)
24
Université de Nantes: HAL-UNIV-NANTES
24
Utrecht University Repository
22
PANGAEA - Data Publisher for Earth & Environmental Science
21
Université Grenoble Alpes: HAL
16
MDPI Open Access Publishing
13
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
12
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
12
University of California: eScholarship
12
Apollo - University of Cambridge Repository
11
PubMed Central (PMC)
11
Cambridge University Press
9
University of Canterbury, Christchurch: UC Research Repository
9
White Rose Research Online (Universities of Leeds, Sheffield & York)
9
Delft University of Technology: Institutional Repository
8
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
8
University of East Anglia: UEA Digital Repository
8
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
7
Institut national des sciences de l'Univers: HAL-INSU
7
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
7
Caltech Authors (California Institute of Technology)
6
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
6
University of Bristol: Bristol Research
6
University of Southampton: e-Prints Soton
6
Columbia University: Academic Commons
5
Max Planck Society: MPG.PuRe
5
University College London: UCL Discovery
5
Digital.CSIC (Spanish National Research Council)
4
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
4
Springer Nature (via Crossref)
4
The University of Queensland: UQ eSpace
4
University of Bergen: Bergen Open Research Archive (BORA-UiB)
4
Edinburgh Research Archive (ERA - University of Edinburgh)
3
German Aerospace Center: elib - DLR electronic library
3
Ghent University Academic Bibliography
3
OpenAgrar (OA)
3
University of Tromsø: Munin Open Research Archive
3
Zenodo
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
CentAUR: Central Archive at the University of Reading
2
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