Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
242
Zenodo
70
Directory of Open Access Journals: DOAJ Articles
4
University of Nebraska-Lincoln: DigitalCommons@UNL
3
University of Stirling: Stirling Digital Research Repository
3
Unknown
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Aarhus University: Research
1
BioMed Central
1
Durham University: Durham Research Online
1
Grand Valley State University: Scholar Works @ GVSU
1
Jultika - University of Oulu repository
1
LaCRIS - University of Lapland Current Research System
1
Macquarie University Research Portal
1
National Institute of Polar Research Repository, Japan
1
Opin vísindi (Iceland)
1
Polar Research (E-Journal)
1
PubMed Central (PMC)
1
The University of Manchester: Research Explorer
1
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
1
Université du Québec à Trois-Rivières: Dépôt numérique de UQTR
1
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
1