Content Provider
Directory of Open Access Journals: DOAJ Articles
8
University of Calgary Journal Hosting
4
Wiley Online Library (via Crossref)
4
Cambridge University Press
3
NORA (National aggregator of open repositories of Russian universities)
3
Australian National University: ANU Digital Collections
2
Carolina Digital Repository (UNC - University of North Carolina)
2
DataCite Metadata Store (German National Library of Science and Technology)
2
Magnolia press
2
Polar Research (E-Journal)
2
Siberian Federal University: Archiv Elektronnych SFU
2
Tomsk State University Research Library
2
University of Tartu: ojs.utlib.ee
2
Zenodo
2
Altai State University: Scientific Journals of ASU
1
Canadian Science Publishing (via Crossref)
1
Curtin University: espace
1
DergiPark Akademik (E-Journals)
1
Federation of Finnish Learned Societies: Scientific Journals Online
1
Geography, Environment, Sustainability (E-Journal)
1
Informa (via Crossref)
1
James Cook University, Australia: ResearchOnline@JCU
1
Journals at the University of Arizona
1
Max Planck Society: MPG.PuRe
1
NOVA: The University of Newcastle Research Online (Australia)
1
Niedersächsisches Online-Archiv NOA
1
Novosibirsk State University: N* DSpace Repository
1
Peoples' Friendship University of Russia (RUDN): Open repository
1
Saint Petersburg State University: Research Repository (DSpace SPbU)
1
ScienceDirect (Elsevier - via Crossref)
1
The University of Manchester: Research Explorer
1
University of Groningen research database
1
Unknown
1
Uppsala University: Publications (DiVA)
1
Wiley Online Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1