Content Provider
Directory of Open Access Journals: DOAJ Articles
2,710
LeibnizOpen (The Leibniz Association)
1,621
Unknown
1,425
Cambridge University Press
1,056
Niedersächsisches Online-Archiv NOA
1,055
Wiley Online Library
1,015
DataCite Metadata Store (German National Library of Science and Technology)
895
Natural Environment Research Council: NERC Open Research Archive
891
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
739
ScienceDirect (Elsevier - via Crossref)
723
Institut national des sciences de l'Univers: HAL-INSU
635
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
592
University of California: eScholarship
586
Université de Nantes: HAL-UNIV-NANTES
521
Springer Nature (via Crossref)
510
University of Bristol: Bristol Research
435
Utrecht University Repository
423
DataCite
382
University of St Andrews: Research Portal
360
White Rose Research Online (Universities of Leeds, Sheffield & York)
359
Durham University: Durham Research Online
324
Aarhus University: Research
306
ScienceDirect (Elsevier)
282
University of Copenhagen: Research
274
Université Grenoble Alpes: HAL
264
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
256
AAAS Resource Center (American Association for the Advancement of Science)
255
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
255
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
252
University of Liège: ORBi (Open Repository and Bibliography)
241
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
236
eCite UTAS (University of Tasmania)
220
Technical University of Denmark: DTU Orbit
217
University of Glasgow: Enlighten - Publications
207
University College London: UCL Discovery
198
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
191
University of Southampton: e-Prints Soton
178
Geological Quarterly
173
Northumbria University, Newcastle: Northumbria Research Link (NRL)
173
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
167
Archives ouvertes de Paris-Saclay
162
Canadian Science Publishing
162
Université Savoie Mont Blanc: HAL
161
Apollo - University of Cambridge Repository
160
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
153
Australian National University: ANU Digital Collections
148
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
148
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
145
Caltech Authors (California Institute of Technology)
141
University of Tromsø: Munin Open Research Archive
135
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