Content Provider
Cambridge University Press
14
Directory of Open Access Journals: DOAJ Articles
8
eCite UTAS (University of Tasmania)
8
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
ScienceDirect (Elsevier - via Crossref)
2
Columbia University: Academic Commons
1
Florida State University Digital Library (FSUDL)
1
Florida State University: DigiNole Commons
1
Texas A&M University Digital Repository
1
The University of Queensland: UQ eSpace
1
University of the Highlands and Islands: Research Database of UHI
1
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
1
Utrecht University Repository
1
Victoria University of Wellington: ResearchArchive
1
Wiley Online Library
1