Content Provider
Directory of Open Access Journals: DOAJ Articles
15
University of California: eScholarship
7
Unknown
7
Caltech Authors (California Institute of Technology)
5
Niedersächsisches Online-Archiv NOA
5
University of St Andrews: Research Portal
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
3
Institut national des sciences de l'Univers: HAL-INSU
3
University of Alaska: ScholarWorks@UA
3
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
3
Université de Nantes: HAL-UNIV-NANTES
3
Utrecht University Repository
3
DataCite Metadata Store (German National Library of Science and Technology)
2
Delft University of Technology: Institutional Repository
2
Météo-France: HAL
2
Technical University of Denmark: DTU Orbit
2
University of Calgary Journal Hosting
2
University of Lincoln: Lincoln Repository
2
Université Toulouse III - Paul Sabatier: HAL-UPS
2
AAAS Resource Center (American Association for the Advancement of Science)
1
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
Cambridge University Press
1
Canadian Science Publishing (via Crossref)
1
CentAUR: Central Archive at the University of Reading
1
Durham University: Durham Research Online
1
ETH Zürich Research Collection
1
Høgskulen på Vestlandet: HVL Open
1
Journals at the University of Arizona
1
NILU – Norwegian Institute for Air Research: NILU Brage
1
Natural Environment Research Council: NERC Open Research Archive
1
Naval Postgraduate School: Calhoun
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
Pakistan Journal of Social Research (PJSR)
1
PubMed Central (PMC)
1
Revistas Académicas Universidad de Concepción (E-Journals)
1
ScholarsArchive@OSU (Oregon State University)
1
Springer Nature (via Crossref)
1
The University of Arizona: UA Campus Repository
1
The University of Brighton Research Portal
1
UBR (University of Brighton Repository)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University College London: UCL Discovery
1
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
1
Université Grenoble Alpes: HAL
1
Vrije Universiteit Amsterdam (VU): Research Portal
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Wiley Online Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1