Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
13
Directory of Open Access Journals: DOAJ Articles
7
LaCRIS - University of Lapland Current Research System
7
PANGAEA - Data Publisher for Earth & Environmental Science
7
Zenodo
5
Unknown
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
CyberLeninka (Scientific Electronic Library)
3
NORA (National aggregator of open repositories of Russian universities)
3
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
IOP Publishing (via Crossref)
2
MDPI Open Access Publishing
2
University of Tyumen: UTMN Repository
2
Université de Nantes: HAL-UNIV-NANTES
2
Ural Federal University (URFU): ELAR
2
ePLUS - Open Access Publikationsserver der Universität Salzburg
2
Aberdeen University Research Archive (AURA)
1
Altai State University: Scientific Journals of ASU
1
Archaeology, Ethnology & Anthropology of Eurasia
1
Arctic Data Center (via DataONE)
1
Federation of Finnish Learned Societies: Scientific Journals Online
1
Frontiers (Publisher)
1
Inalco (Institut National des Langues et Civilisations Orientales): HAL
1
Liverpool University Press (via Crossref)
1
ORA - Oxford University Research Archive
1
Peoples' Friendship University of Russia (RUDN): Open repository
1
Polar Research (E-Journal)
1
PubMed Central (PMC)
1
RePEc (Research Papers in Economics)
1
Siberian Federal University: Archiv Elektronnych SFU
1
TU Wien: reposiTUm
1
The Royal Society
1
The Royal Society: Figshare
1
Tomsk Polytechnic University (TPU): Electronic Archive
1
University College London: UCL Discovery
1
University of Birmingham: eTheses Repository
1
University of Calgary Journal Hosting
1
University of Tartu: ojs.utlib.ee
1
University of Tromsø: Munin Open Research Archive
1
Uppsala University: Publications (DiVA)
1
White Horse Press Journals (via Crossref)
1