Content Provider
Directory of Open Access Journals: DOAJ Articles
296
ScienceDirect (Elsevier - via Crossref)
102
ScienceDirect (Elsevier)
26
Lund University Publications (LUP)
12
DataCite Metadata Store (German National Library of Science and Technology)
11
University of Calgary Journal Hosting
9
Old Dominion University: ODU Digital Commons
6
University College London: UCL Discovery
6
Stockholm University: Publications (DiVA)
5
University of California Press (via Crossref)
4
University of California Press
3
University of California: eScholarship
3
Uppsala University: Publications (DiVA)
3
Cambridge University Press
2
University of Chicago Press (via Crossref)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Boston University: OpenBU
1
Columbia University: Academic Commons
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
De Gruyter (via Crossref)
1
FAU Digital Collections (Florida Atlantic University Digital Library)
1
Ghent University Academic Bibliography
1
Imperial College London: Spiral
1
Informa (via Crossref)
1
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
1
Ruđer Bošković Institute Zagreb: Full-text Institutional Repository (FULIR)
1
Sciendo (de Gruyter - via CrossRef)
1
Springer Nature (via Crossref)
1
Wiley Online Library
1
eCite UTAS (University of Tasmania)
1