Content Provider
Directory of Open Access Journals: DOAJ Articles
2,488
LeibnizOpen (The Leibniz Association)
1,543
Unknown
1,427
DataCite Metadata Store (German National Library of Science and Technology)
1,162
Cambridge University Press
1,030
Niedersächsisches Online-Archiv NOA
994
ScienceDirect (Elsevier - via Crossref)
892
Natural Environment Research Council: NERC Open Research Archive
874
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
739
Institut national des sciences de l'Univers: HAL-INSU
615
University of California: eScholarship
575
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
556
Université de Nantes: HAL-UNIV-NANTES
521
Springer Nature (via Crossref)
510
Wiley Online Library (via Crossref)
491
University of Bristol: Bristol Research
422
Utrecht University Repository
413
Wiley Online Library
378
White Rose Research Online (Universities of Leeds, Sheffield & York)
347
Durham University: Durham Research Online
324
Aarhus University: Research
293
University of Copenhagen: Research
263
Université Grenoble Alpes: HAL
254
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
249
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
249
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
244
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
236
eCite UTAS (University of Tasmania)
220
University of Glasgow: Enlighten - Publications
205
Technical University of Denmark: DTU Orbit
204
University College London: UCL Discovery
197
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
176
Northumbria University, Newcastle: Northumbria Research Link (NRL)
173
University of St Andrews: Research Portal
173
University of Liège: ORBi (Open Repository and Bibliography)
168
University of Southampton: e-Prints Soton
168
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
162
Université Savoie Mont Blanc: HAL
159
Apollo - University of Cambridge Repository
156
Archives ouvertes de Paris-Saclay
155
Canadian Science Publishing (via Crossref)
153
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
151
AAAS Resource Center (American Association for the Advancement of Science)
148
Australian National University: ANU Digital Collections
147
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
144
Geological Quarterly
143
Caltech Authors (California Institute of Technology)
136
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
136
University of Tromsø: Munin Open Research Archive
129
Max Planck Society: MPG.PuRe
123
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