Content Provider
Cambridge University Press
87
ScienceDirect (Elsevier - via Crossref)
38
Directory of Open Access Journals: DOAJ Articles
20
DataCite Metadata Store (German National Library of Science and Technology)
18
Frontiers: Figshare
9
Frontiers (Publisher)
4
ScienceDirect (Elsevier)
4
Springer Nature (via Crossref)
3
The Royal Society: Figshare
3
Unknown
3
DRO - Deakin Research Online
2
De Gruyter (via Crossref)
2
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
2
Cambridge University Press (via Crossref)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Sciendo (de Gruyter - via CrossRef)
1
eCite UTAS (University of Tasmania)
1