Content Provider
Arctic Data Center (via DataONE)
27
DataCite Metadata Store (German National Library of Science and Technology)
9
Dryad Digital Repository (Duke University)
7
Directory of Open Access Journals: DOAJ Articles
4
Wageningen UR (University & Research Centre): Digital Library
3
Aarhus University: Research
2
LaCRIS - University of Lapland Current Research System
2
UEF eRepository (University of Eastern Finland)
2
Zenodo
2
Australian National University: ANU Digital Collections
1
Boise State University: Scholar Works
1
DRO - Deakin Research Online
1
HELDA – University of Helsinki Open Repository
1
Jultika - University of Oulu repository
1
Norwegian Institute for Nature Research: Brage NINA
1
Umeå University: Publications (DiVA)
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Unknown
1
Utrecht University Repository
1