Content Provider
Directory of Open Access Journals: DOAJ Articles
7
University of Calgary Journal Hosting
7
Wiley Online Library
5
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3
DataCite Metadata Store (German National Library of Science and Technology)
3
University of California: eScholarship
3
University of Potsdam: publish.UP
3
Cambridge University Press
2
Kazan Federal University Digital Repository
2
NORA (National aggregator of open repositories of Russian universities)
2
Niedersächsisches Online-Archiv NOA
2
Arctic Institute of North America
1
Caltech Authors (California Institute of Technology)
1
Canadian Science Publishing
1
Canadian Science Publishing (via Crossref)
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Montana State University (MSU): ScholarWorks
1
PLOS
1
ScienceDirect (Elsevier)
1
University of Michigan: Deep Blue
1
University of Western Sydney (UWS): Research Direct
1
Wiley Online Library (via Crossref)
1