Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,103
Directory of Open Access Journals: DOAJ Articles
486
Research Data Australia (Australian National Data Service - ANDS)
415
Unknown
385
eCite UTAS (University of Tasmania)
356
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
238
University of Tasmania: UTas ePrints
225
National Institute of Polar Research Repository, Japan
223
Copernicus Publications: E-Journals
213
Université de Nantes: HAL-UNIV-NANTES
200
PANGAEA - Data Publisher for Earth & Environmental Science
190
Natural Environment Research Council: NERC Open Research Archive
178
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
146
Niedersächsisches Online-Archiv NOA
144
Cambridge University Press
134
LeibnizOpen (The Leibniz Association)
101
Zenodo
94
Australian National University: ANU Digital Collections
79
PubMed Central (PMC)
72
University of California: eScholarship
64
Utrecht University Repository
63
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
45
MDPI Open Access Publishing
45
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
43
Ghent University Academic Bibliography
42
Institut national des sciences de l'Univers: HAL-INSU
41
IEDA: US Antarctic Program Data Center (via DataONE)
39
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
38
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
37
Università degli Studi di Genova: CINECA IRIS
36
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
35
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
35
Durham University: Durham Research Online
32
Wiley Online Library (via Crossref)
31
Digital.CSIC (Spanish National Research Council)
29
University of Wollongong, Australia: Research Online
29
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
28
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
27
The University of Adelaide: Digital Library
27
Imperial College London: Spiral
26
Macquarie University Research Portal
26
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
25
The University of Maine: DigitalCommons@UMaine
25
Arctic Portal Library
23
Springer Nature (via Crossref)
23
The University of Queensland: UQ eSpace
23
University of Southampton: e-Prints Soton
23
Northumbria University, Newcastle: Northumbria Research Link (NRL)
21
University College London: UCL Discovery
21
University of Bristol: Bristol Research
21
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