Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
22
Utrecht University Repository
14
Technical University of Denmark: DTU Orbit
12
JPL Technical Report Server
9
PubMed Central (PMC)
9
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
Institut national des sciences de l'Univers: HAL-INSU
8
Université Grenoble Alpes: HAL
8
Université de Nantes: HAL-UNIV-NANTES
7
AAAS Resource Center (American Association for the Advancement of Science)
6
PANGAEA - Data Publisher for Earth & Environmental Science
6
University of Copenhagen: Research
6
Apollo - University of Cambridge Repository
5
Copernicus Publications: E-Journals
5
Natural Environment Research Council: NERC Open Research Archive
5
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
5
Springer Nature (via Crossref)
5
University of Bristol: Bristol Research
5
University of Liège: ORBi (Open Repository and Bibliography)
5
Unknown
5
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
3
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
3
Niedersächsisches Online-Archiv NOA
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Caltech Authors (California Institute of Technology)
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
University of California: eScholarship
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Aarhus University: Research
1
Archives ouvertes de Paris-Saclay
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Columbia University: Academic Commons
1
DSpace@MIT (Massachusetts Institute of Technology)
1
Dipòsit Digital de la Universitat de Barcelona
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
1
KU Leuven: Lirias
1
King's College, London: Research Portal
1
Météo-France: HAL
1
The Royal Society (via Crossref)
1
The University of Texas at Austin: Texas ScholarWorks
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of East Anglia: UEA Digital Repository
1
University of Potsdam: publish.UP
1
University of Southampton: e-Prints Soton
1
University of Southern Denmark Research Portal
1
University of St Andrews: Digital Research Repository
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
University of the Highlands and Islands: Research Database of UHI
1
more ...