Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
97
PANGAEA - Data Publisher for Earth & Environmental Science
84
Unknown
62
Directory of Open Access Journals: DOAJ Articles
45
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
43
Natural Environment Research Council: NERC Open Research Archive
37
Institut national des sciences de l'Univers: HAL-INSU
33
University of Southampton: e-Prints Soton
33
Copernicus Publications: E-Journals
27
Université de Nantes: HAL-UNIV-NANTES
27
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
24
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
20
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
18
Niedersächsisches Online-Archiv NOA
18
HAL Sorbonne Université
17
DSpace@MIT (Massachusetts Institute of Technology)
16
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
15
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
15
Muséum National d'Histoire Naturelle (MNHM): HAL
14
PubMed Central (PMC)
13
University of Bristol: Bristol Research
13
University of East Anglia: UEA Digital Repository
13
École Polytechnique, Université Paris-Saclay: HAL
13
Université de Paris: Portail HAL
12
Archives ouvertes de Paris-Saclay
11
Digital.CSIC (Spanish National Research Council)
10
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
10
NIOZ Repository (Royal Netherlands Institute for Sea Research)
10
University of California: eScholarship
10
Université de Bretagne Occidentale: HAL
10
Caltech Authors (California Institute of Technology)
9
University of Tasmania: UTas ePrints
9
University of Groningen research database
8
Utrecht University Repository
8
eCite UTAS (University of Tasmania)
8
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
7
University of St Andrews: Research Portal
7
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
6
Cambridge University Press
6
Magnolia press
6
ORA - Oxford University Research Archive
6
Aix-Marseille Université: HAL
5
ETH Zürich Research Collection
5
HAL de l'Institut Polytechnique de Paris
5
HighWire Press (Stanford University)
5
ScholarsArchive@OSU (Oregon State University)
5
University of St Andrews: Digital Research Repository
5
Apollo - University of Cambridge Repository
4
Collège de France: HAL
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
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