Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,665
Zenodo
1,011
DataCite
436
Directory of Open Access Journals: DOAJ Articles
5
Aarhus University: Research
4
PubMed Central (PMC)
3
Technical University of Denmark: DTU Orbit
3
University of Nebraska-Lincoln: DigitalCommons@UNL
3
University of Windsor, Ontario: Scholarship at UWindsor
3
Arctic Council Repository
2
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
2
University of St Andrews: Research Portal
2
Unknown
2
Apollo - University of Cambridge Repository
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Digital.CSIC (Spanish National Research Council)
1
Edinburgh Napier Repository (Napier University Edinburgh)
1
HELDA – University of Helsinki Open Repository
1
Institutional Knowledge (InK) at Singapore Management University
1
Magnolia press
1
ORA - Oxford University Research Archive
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
SIT Digital Collections
1
University of California: eScholarship
1
University of Copenhagen: Research
1
University of Southern Denmark Research Portal
1
University of St Andrews: Digital Research Repository
1
University of Technology Sydney: OPUS - Open Publications of UTS Scholars
1
Université Laval: CorpusUL
1
Université du Québec à Trois-Rivières: Dépôt numérique de UQTR
1