Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
70
University of Calgary Journal Hosting
32
Directory of Open Access Journals: DOAJ Articles
17
Aarhus University: Research
11
Universitá degli Studi di Roma "Tor Vergata": ART - Archivio Istituzionale della Ricerca
7
Apollo - University of Cambridge Repository
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
The University of Manchester: Research Explorer
5
University of Copenhagen: Research
4
HELDA – University of Helsinki Open Repository
3
Institut national des sciences de l'Univers: HAL-INSU
3
University College London: UCL Discovery
3
Université de Nantes: HAL-UNIV-NANTES
3
Unknown
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Carolina Digital Repository (UNC - University of North Carolina)
2
Ghent University Academic Bibliography
2
Polar Research (E-Journal)
2
Technical University of Denmark: DTU Orbit
2
The University of Queensland: UQ eSpace
2
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
2
Università degli Studi di Genova: CINECA IRIS
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Archivio della ricerca dell'Università di Parma (CINECA IRIS)
1
Carleton University's Institutional Repository
1
Digital.CSIC (Spanish National Research Council)
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
HAL Sorbonne Université
1
HAL de l'Université Catholique de Lille
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
Hong Kong Polytechnic University: PolyU Institutional Repository (PolyU IR)
1
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Instituto Español de Oceanografía: e-IEO
1
Jönköping Univ.: Publications (DiVA)
1
Leuphana University of Lüneburg: Forschungsindex FOX
1
LillOA (HAL Lille Open Archive, Université de Lille)
1
Luleå University of Technology Publications (DiVA)
1
Lund University Publications (LUP)
1
Macquarie University Research Portal
1
Namık Kemal University Institutional Repository
1
National Research Council Canada: NRC Publications Archive
1
Nicolaus Copernicus University (UMK) Torun: RUM@K
1
Normandie Université: HAL
1
OSKAR Bordeaux (Open Science Knowledge ARchive)
1
Opin vísindi (Iceland)
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
Politechnical University of Valencia: RiuNet
1
Swedish National Road and Transport Research Institute: Publications (DiVA)
1
The University of Adelaide: Digital Library
1
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