Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,134
PANGAEA - Data Publisher for Earth & Environmental Science
2,191
Directory of Open Access Journals: DOAJ Articles
1,497
PubMed Central (PMC)
861
Unknown
622
Wiley Online Library
569
LeibnizOpen (The Leibniz Association)
512
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
509
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
503
Springer Nature (via Crossref)
446
Institut national des sciences de l'Univers: HAL-INSU
373
Copernicus Publications: E-Journals
345
ScienceDirect (Elsevier - via Crossref)
312
Université de Nantes: HAL-UNIV-NANTES
298
HAL Sorbonne Université
293
eCite UTAS (University of Tasmania)
245
ScienceDirect (Elsevier)
228
Niedersächsisches Online-Archiv NOA
221
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
186
University of Southampton: e-Prints Soton
172
The University of Queensland: UQ eSpace
171
Digital.CSIC (Spanish National Research Council)
159
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
155
MDPI Open Access Publishing
147
Oxford University Press
141
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
132
PLOS
131
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
131
University of California: eScholarship
130
University of Tasmania: UTas ePrints
119
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
103
Université de Bretagne Occidentale: HAL
103
The Royal Society
102
Natural Environment Research Council: NERC Open Research Archive
98
IRIS Università degli Studi di Palermo
97
ScholarsArchive@OSU (Oregon State University)
92
The University of Adelaide: Digital Library
90
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
82
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
82
University of Washington, Seattle: ResearchWorks
81
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
76
Muséum National d'Histoire Naturelle (MNHM): HAL
75
Universidade do Algarve: Sapienta
68
HighWire Press (Stanford University)
65
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
63
Archives ouvertes de Paris-Saclay
61
University of Bristol: Bristol Research
61
Utrecht University Repository
61
Max Planck Society: MPG.PuRe
59
The Hong Kong University of Science and Technology: HKUST Institutional Repository
58
more ...