Content Provider
Unknown
597
DataCite Metadata Store (German National Library of Science and Technology)
6
MSpace at the University of Manitoba
2
York University, Toronto: YorkSpace
2
Zenodo
2
Carleton University's Institutional Repository
1
Directory of Open Access Journals: DOAJ Articles
1
Ghent University Academic Bibliography
1
LU|ZONE|UL @ Laurentian University
1
National Institute of Polar Research Repository, Japan
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1