Content Provider
Directory of Open Access Journals: DOAJ Articles
1,499
DataCite Metadata Store (German National Library of Science and Technology)
668
ScienceDirect (Elsevier - via Crossref)
470
Springer Nature (via Crossref)
447
Wiley Online Library
444
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
439
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
385
Institut national des sciences de l'Univers: HAL-INSU
332
Frontiers (Publisher)
264
Université de Nantes: HAL-UNIV-NANTES
261
Unknown
258
HAL Sorbonne Université
254
University of California: eScholarship
235
Niedersächsisches Online-Archiv NOA
220
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
205
James Cook University, Australia: ResearchOnline@JCU
201
eCite UTAS (University of Tasmania)
178
University of Southampton: e-Prints Soton
169
The University of Queensland: UQ eSpace
160
Wiley Online Library (via Crossref)
159
University of Tasmania: UTas ePrints
155
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
146
Digital.CSIC (Spanish National Research Council)
145
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
144
Oxford University Press
131
Natural Environment Research Council: NERC Open Research Archive
119
LeibnizOpen (The Leibniz Association)
106
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
100
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
94
PLOS
93
The Royal Society
92
RePEc (Research Papers in Economics)
85
Southern Cross University: epublications@SCU
85
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
82
The University of Adelaide: Digital Library
82
Université de Bretagne Occidentale: HAL
82
King Abdullah University of Science and Technology: KAUST Repository
81
Dryad Digital Repository (Duke University)
72
IRIS Università degli Studi di Palermo
67
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
67
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
65
Muséum National d'Histoire Naturelle (MNHM): HAL
63
University of Technology Sydney: OPUS - Open Publications of UTS Scholars
63
Max Planck Society: MPG.PuRe
61
University of Glasgow: Enlighten - Publications
61
Digital Commons University of South Florida (USF)
60
University of South Florida St. Petersburg: Digital USFSP
60
Universidade do Algarve: Sapienta
58
University of Bristol: Bristol Research
56
University of East Anglia: UEA Digital Repository
56
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