Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
14,570
Unknown
373
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
293
Université de Nantes: HAL-UNIV-NANTES
224
Directory of Open Access Journals: DOAJ Articles
210
Research Data Australia (Australian National Data Service - ANDS)
130
Natural Environment Research Council: NERC Open Research Archive
122
eCite UTAS (University of Tasmania)
121
National Institute of Polar Research Repository, Japan
120
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
114
Institut national des sciences de l'Univers: HAL-INSU
110
University of Tasmania: UTas ePrints
103
PANGAEA - Data Publisher for Earth & Environmental Science
89
PubMed Central (PMC)
67
Copernicus Publications: E-Journals
59
University of Southampton: e-Prints Soton
59
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
49
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
49
NOAA NCEI Environmental Data Archive (via DataONE)
47
Wiley Online Library
45
Digital.CSIC (Spanish National Research Council)
44
ScienceDirect (Elsevier - via Crossref)
44
Springer Nature (via Crossref)
40
Australian National University: ANU Digital Collections
39
Stellenbosch University: SUNScholar Research Repository
39
Defense Technical Information Center: DTIC Technical Reports database
37
Indian Academy of Sciences: Publication of Fellows
36
Niedersächsisches Online-Archiv NOA
34
HAL - Université de La Rochelle
33
Cambridge University Press
32
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
30
Université de Bretagne Occidentale: HAL
30
Indian Institute of Geomagnetism (IIG): Repository
28
WikiBooks - Open-content textbooks
26
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
25
Ministry of Earth Sciences, Government of India: Open Access Digital Repository
25
University of Cape Town: OpenUCT
25
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
25
Frontiers: Figshare
21
HighWire Press (Stanford University)
21
University of East Anglia: UEA Digital Repository
21
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
20
Max Planck Society: MPG.PuRe
20
University of California: eScholarship
20
University of Pretoria: UPSpace
20
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
19
Magnolia press
18
Université de Rennes 1: Publications scientifiques (HAL)
18
Archive Ouverte de l'Université Rennes (HAL)
17
ScienceDirect (Elsevier)
17
more ...