Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5,179
Unknown
3,048
Directory of Open Access Journals: DOAJ Articles
2,488
LeibnizOpen (The Leibniz Association)
1,687
Copernicus Publications: E-Journals
1,620
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1,344
Arctic Data Center (via DataONE)
1,109
Cambridge University Press
1,046
Niedersächsisches Online-Archiv NOA
1,027
Natural Environment Research Council: NERC Open Research Archive
1,017
PANGAEA - Data Publisher for Earth & Environmental Science
961
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
957
ScienceDirect (Elsevier - via Crossref)
920
Zenodo
821
Institut national des sciences de l'Univers: HAL-INSU
791
Université de Nantes: HAL-UNIV-NANTES
679
University of California: eScholarship
638
Wiley Online Library
637
Springer Nature (via Crossref)
582
Utrecht University Repository
525
National Institute of Polar Research Repository, Japan
494
PubMed Central (PMC)
481
University of Bristol: Bristol Research
457
Aarhus University: Research
391
Wiley Online Library (via Crossref)
385
IEDA: US Antarctic Program Data Center (via DataONE)
371
University of Copenhagen: Research
363
NASA Technical Reports Server (NTRS)
349
White Rose Research Online (Universities of Leeds, Sheffield & York)
349
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
348
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
347
University of Liège: ORBi (Open Repository and Bibliography)
344
Université Grenoble Alpes: HAL
332
Durham University: Durham Research Online
330
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
310
Technical University of Denmark: DTU Orbit
310
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
301
eCite UTAS (University of Tasmania)
301
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
295
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
283
Research Data Australia (Australian National Data Service - ANDS)
269
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
241
University College London: UCL Discovery
223
University of Glasgow: Enlighten - Publications
222
Apollo - University of Cambridge Repository
220
Université Savoie Mont Blanc: HAL
216
University of Southampton: e-Prints Soton
203
Archives ouvertes de Paris-Saclay
194
University of St Andrews: Research Portal
194
MDPI Open Access Publishing
192
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