Content Provider
Cambridge University Press
92
DataCite Metadata Store (German National Library of Science and Technology)
56
Unknown
27
Directory of Open Access Journals: DOAJ Articles
26
Wiley Online Library
18
Wiley Online Library (via Crossref)
13
Canadian Science Publishing (via Crossref)
12
JSTOR (via Crossref)
10
KovsieScholar Repository (University of the Free State - UFS UV)
9
Oxford University Press (via Crossref)
9
Frontiers (Publisher)
6
Frontiers: Figshare
6
PRISM - University of Calgary Digital Repository
6
Canadian Science Publishing
5
ScienceDirect (Elsevier - via Crossref)
5
Springer Nature (via Crossref)
5
Biodiversity Heritage Library (BHL)
4
SAGE Publications (via Crossref)
4
Informa (via Crossref)
3
JSTOR
3
Open Access Victoria University of Wellington / Te Herenga Waka
3
Brill (via Crossref)
2
Schweizerbart Science Publishers (via Crossref)
2
ASM Journals (American Society for Microbiology - via Crossref)
1
BioMed Central
1
Borealis
1
Cambridge University Press (via Crossref)
1
Carleton University's Institutional Repository
1
De Gruyter (via Crossref)
1
Defense Technical Information Center: DTIC Technical Reports database
1
PubMed Central (PMC)
1
Purdue University: e-Pubs
1
Queen's University Belfast Research Portal
1
SAGE Publications
1
The Royal Society: Figshare
1
University of California: eScholarship
1
University of Central Florida (UCF): STARS (Showcase of Text, Archives, Research & Scholarship)
1
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
1
Zenodo
1
eCite UTAS (University of Tasmania)
1