Content Provider
Arctic Data Center (via DataONE)
16
DataCite Metadata Store (German National Library of Science and Technology)
8
MDPI Open Access Publishing
5
Directory of Open Access Journals: DOAJ Articles
4
International Arctic Research Center (IARC) Data Archive (via DataONE)
2
University of California: eScholarship
2
Unknown
2
Aarhus University: Research
1
Borealis
1
Carleton University's Institutional Repository
1
Clark University: Clark Digital Commons
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Tomsk Polytechnic University (TPU): Electronic Archive
1
UEF eRepository (University of Eastern Finland)
1
Umeå University: Publications (DiVA)
1
University of Bristol: Bristol Research
1
University of Nottingham: Repository@Nottingham
1
University of Tromsø: Munin Open Research Archive
1
Wageningen UR (University & Research Centre): Digital Library
1