Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
47
Directory of Open Access Journals: DOAJ Articles
28
Unknown
19
Zenodo
18
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
LaCRIS - University of Lapland Current Research System
13
Arctic Data Center (via DataONE)
9
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
7
CyberLeninka (Scientific Electronic Library)
7
PANGAEA - Data Publisher for Earth & Environmental Science
7
MDPI Open Access Publishing
6
IOP Publishing
5
University of Tromsø: Munin Open Research Archive
5
Federation of Finnish Learned Societies: Scientific Journals Online
4
NORA (National aggregator of open repositories of Russian universities)
4
PubMed Central (PMC)
4
Université de Nantes: HAL-UNIV-NANTES
4
ePLUS - Open Access Publikationsserver der Universität Salzburg
4
Altai State University: Scientific Journals of ASU
3
Copernicus Publications: E-Journals
3
Ice and Snow (E-Journal)
3
Masaryk University Journals
3
Niedersächsisches Online-Archiv NOA
3
University of Tyumen: UTMN Repository
3
Wiley Online Library
3
Cambridge University Press
2
Norwegian Polar Data Centre
2
ORA - Oxford University Research Archive
2
Polar Research (E-Journal)
2
RePEc (Research Papers in Economics)
2
Siberian Federal University: Archiv Elektronnych SFU
2
Tomsk State University Research Library
2
University College London: UCL Discovery
2
University of Calgary Journal Hosting
2
University of Copenhagen: Research
2
Ural Federal University (URFU): ELAR
2
AgroParisTech: HAL (Institut des sciences et industries du vivant et de l'environnement)
1
Archives ouvertes de Paris-Saclay
1
Arctic Institute of North America
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Chalmers University of Technology: Chalmers research
1
Cours en ligne (CEL): HAL
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
HAL Sorbonne Université
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Hereon Publications (Helmholtz-Zentrum)
1
Inalco (Institut National des Langues et Civilisations Orientales): HAL
1
Informa (via Crossref)
1
Journals at the University of Arizona
1
Jultika - University of Oulu repository
1
more ...