Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4
University of Calgary Journal Hosting
3
Magnolia press
2
Arctic Institute of North America
1
BioMed Central
1
Pensoft Publishers
1
RePEc (Research Papers in Economics)
1
Springer Nature (via Crossref)
1
University of California: eScholarship
1
University of Georgia: Athenaeum@UGA
1