Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
16,023
Unknown
436
PANGAEA - Data Publisher for Earth & Environmental Science
388
Research Data Australia (Australian National Data Service - ANDS)
360
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
323
Directory of Open Access Journals: DOAJ Articles
247
Université de Nantes: HAL-UNIV-NANTES
247
Zenodo
241
eCite UTAS (University of Tasmania)
143
National Institute of Polar Research Repository, Japan
137
Natural Environment Research Council: NERC Open Research Archive
130
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
128
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
125
Institut national des sciences de l'Univers: HAL-INSU
122
University of Tasmania: UTas ePrints
116
Wiley Online Library
102
PubMed Central (PMC)
78
Copernicus Publications: E-Journals
77
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
67
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
65
University of Southampton: e-Prints Soton
64
Indian Academy of Sciences: Publication of Fellows
58
Cambridge University Press
56
ScienceDirect (Elsevier - via Crossref)
56
Springer Nature (via Crossref)
55
Australian National University: ANU Digital Collections
53
HAL Sorbonne Université
51
NOAA NCEI Environmental Data Archive (via DataONE)
51
Niedersächsisches Online-Archiv NOA
50
Digital.CSIC (Spanish National Research Council)
48
Frontiers: Figshare
44
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
40
Stellenbosch University: SUNScholar Research Repository
39
Defense Technical Information Center: DTIC Technical Reports database
38
HAL - Université de La Rochelle
35
HighWire Press (Stanford University)
35
Indian Institute of Geomagnetism (IIG): Repository
35
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
33
Caltech Authors (California Institute of Technology)
32
Université de Bretagne Occidentale: HAL
30
Ministry of Earth Sciences, Government of India: Open Access Digital Repository
29
WikiBooks - Open-content textbooks
29
Archives ouvertes de Paris-Saclay
28
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
28
University of California: eScholarship
28
University of Cape Town: OpenUCT
27
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
27
ScienceDirect (Elsevier)
26
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
23
Max Planck Society: MPG.PuRe
23
more ...