Content Provider
Frontiers: Figshare
43
Unknown
10
Frontiers (Publisher)
7
DataCite Metadata Store (German National Library of Science and Technology)
6
Directory of Open Access Journals: DOAJ Articles
5
ScienceDirect (Elsevier)
3
University of Strathclyde Glasgow: Strathprints
3
Old Dominion University: ODU Digital Commons
2
Oxford University Press
2
University of Calgary Journal Hosting
2
Ghent University Academic Bibliography
1
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
1
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
1
Oxford University Press (via Crossref)
1
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
1
Purdue University: e-Pubs
1
ScienceDirect (Elsevier - via Crossref)
1
Springer Nature (via Crossref)
1
The Royal Society: Figshare
1
University of California Press (via Crossref)
1
University of Oregon Scholars' Bank
1
W&M ScholarWorks
1
Wiley Online Library (via Crossref)
1
eCite UTAS (University of Tasmania)
1