Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
16
Natural Environment Research Council: NERC Open Research Archive
4
Directory of Open Access Journals: DOAJ Articles
2
HighWire Press (Stanford University)
2
Norwegian Institute for Nature Research: Brage NINA
2
The Canadian Field-Naturalist (E-Journal)
2
Wiley Online Library
2
Archivo Digital UPM (Universidad Politécnica de Madrid)
1
Dalhousie University Libraries Journal Hosting Service
1
Dalhousie University: DalSpace Institutional Repository
1
DataCite
1
Frontiers (Publisher)
1
Springer Nature (via Crossref)
1
University College London: UCL Discovery
1
University of Tromsø: Munin Open Research Archive
1
University of the Highlands and Islands: Research Database of UHI
1
Unknown
1
Zenodo
1