Content Provider
LeibnizOpen (The Leibniz Association)
20
Unknown
18
Natural Environment Research Council: NERC Open Research Archive
16
DataCite Metadata Store (German National Library of Science and Technology)
13
Directory of Open Access Journals: DOAJ Articles
11
Copernicus Publications: E-Journals
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
Université de Nantes: HAL-UNIV-NANTES
7
PubMed Central (PMC)
6
Apollo - University of Cambridge Repository
5
University of Southampton: e-Prints Soton
5
eCite UTAS (University of Tasmania)
5
Columbia University: Academic Commons
4
Niedersächsisches Online-Archiv NOA
4
University of Tasmania: UTas ePrints
4
Cambridge University Press
3
University of California: eScholarship
3
Université de Bourgogne (UB): HAL
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
HAL Sorbonne Université
2
Institut national des sciences de l'Univers: HAL-INSU
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
University of St Andrews: Research Portal
2
Université Grenoble Alpes: HAL
2
Wiley Online Library
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archives ouvertes de Paris-Saclay
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Cologne University: KUPS
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Digital.CSIC (Spanish National Research Council)
1
Dipòsit Digital de la Universitat de Barcelona
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
ETH Zürich Research Collection
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Imperial College London: Spiral
1
Kitami Institute of Technology Repository (KIT-R)
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
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