Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,215
Unknown
3,046
Directory of Open Access Journals: DOAJ Articles
2,710
Copernicus Publications: E-Journals
1,810
LeibnizOpen (The Leibniz Association)
1,778
DataCite
1,470
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1,359
Zenodo
1,232
Wiley Online Library
1,124
Arctic Data Center (via DataONE)
1,109
Cambridge University Press
1,069
PANGAEA - Data Publisher for Earth & Environmental Science
1,069
Niedersächsisches Online-Archiv NOA
1,055
Natural Environment Research Council: NERC Open Research Archive
1,032
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
957
Institut national des sciences de l'Univers: HAL-INSU
807
ScienceDirect (Elsevier - via Crossref)
748
Université de Nantes: HAL-UNIV-NANTES
679
University of California: eScholarship
655
Springer Nature (via Crossref)
582
Utrecht University Repository
535
PubMed Central (PMC)
499
National Institute of Polar Research Repository, Japan
494
University of Bristol: Bristol Research
458
Aarhus University: Research
400
University of St Andrews: Research Portal
385
University of Copenhagen: Research
372
IEDA: US Antarctic Program Data Center (via DataONE)
371
White Rose Research Online (Universities of Leeds, Sheffield & York)
362
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
356
NASA Technical Reports Server (NTRS)
349
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
348
University of Liège: ORBi (Open Repository and Bibliography)
344
Université Grenoble Alpes: HAL
344
Durham University: Durham Research Online
330
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
319
Technical University of Denmark: DTU Orbit
316
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
310
ScienceDirect (Elsevier)
307
eCite UTAS (University of Tasmania)
301
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
298
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
288
Research Data Australia (Australian National Data Service - ANDS)
272
AAAS Resource Center (American Association for the Advancement of Science)
256
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
241
University College London: UCL Discovery
225
University of Glasgow: Enlighten - Publications
224
Apollo - University of Cambridge Repository
223
Université Savoie Mont Blanc: HAL
217
University of Southampton: e-Prints Soton
214
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