Content Provider
Cambridge University Press
32
DataCite Metadata Store (German National Library of Science and Technology)
13
eCite UTAS (University of Tasmania)
6
Directory of Open Access Journals: DOAJ Articles
4
University of California: eScholarship
4
Unknown
4
De Gruyter (via Crossref)
3
ASM Journals (American Society for Microbiology)
2
Cambridge University Press (via Crossref)
1
DRO - Deakin Research Online
1
Defense Technical Information Center: DTIC Technical Reports database
1
Kristianstad University College: Publications (DiVA)
1
Oxford University Press (via Crossref)
1
SAGE Publications
1
ScienceDirect (Elsevier - via Crossref)
1
Sciendo (de Gruyter - via CrossRef)
1
TUScholarShare (Temple University)
1
Temple University Digital Collections
1
UmeƄ University: Publications (DiVA)
1
University of British Columbia: cIRcle - UBC's Information Repository
1
University of Groningen research database
1
University of St Andrews: Digital Research Repository
1
University of Washington, Seattle: ResearchWorks
1
Uppsala University: Publications (DiVA)
1