Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,054
Directory of Open Access Journals: DOAJ Articles
494
Natural Environment Research Council: NERC Open Research Archive
289
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
189
Université de Nantes: HAL-UNIV-NANTES
135
Unknown
125
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
112
Australian National University: ANU Digital Collections
111
eCite UTAS (University of Tasmania)
110
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
93
Institut national des sciences de l'Univers: HAL-INSU
89
University of Southampton: e-Prints Soton
89
Wiley Online Library
78
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
76
Digital.CSIC (Spanish National Research Council)
73
Niedersächsisches Online-Archiv NOA
72
University of California: eScholarship
63
ScienceDirect (Elsevier - via Crossref)
60
Magnolia press
59
Springer Nature (via Crossref)
54
University of Tasmania: UTas ePrints
51
The University of Queensland: UQ eSpace
49
Caltech Authors (California Institute of Technology)
48
Cambridge University Press
47
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
41
LeibnizOpen (The Leibniz Association)
40
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
36
University of St Andrews: Research Portal
35
Max Planck Society: MPG.PuRe
33
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
33
Utrecht University Repository
32
University of East Anglia: UEA Digital Repository
27
University of South Florida St. Petersburg: Digital USFSP
27
Université de Bretagne Occidentale: HAL
25
Apollo - University of Cambridge Repository
23
Digital Commons University of South Florida (USF)
23
Universidad de Chile: Repositorio académico
21
Cardiff University: ORCA (Online Research @ Cardiff)
20
Columbia University: Academic Commons
20
BORIS (Bern Open Repository and Information System, University of Bern)
19
ScienceDirect (Elsevier)
18
University of Groningen research database
18
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
17
ORA - Oxford University Research Archive
16
University of Copenhagen: Research
16
Frontiers (Publisher)
15
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
15
Ghent University Academic Bibliography
15
University College London: UCL Discovery
15
University of Bristol: Bristol Research
15
more ...