Content Provider
Directory of Open Access Journals: DOAJ Articles
137
Cambridge University Press
41
eCite UTAS (University of Tasmania)
33
ScienceDirect (Elsevier - via Crossref)
17
Springer Nature (via Crossref)
10
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
8
Imperial College London: Spiral
4
ScienceDirect (Elsevier)
4
Lund University Publications (LUP)
3
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
2
Old Dominion University: ODU Digital Commons
2
University of California: eScholarship
2
Wiley Online Library (via Crossref)
2
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Digital Commons University of South Florida (USF)
1
Informa
1
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
1
University of Calgary Journal Hosting
1
University of Chicago Press
1
University of Chicago Press (via Crossref)
1
University of Leicester: Leicester Research Archive (LRA)
1
University of South Florida St. Petersburg: Digital USFSP
1
University of St Andrews: Digital Research Repository
1
Université de Lausanne (UNIL): Serval - Serveur académique lausannois
1
Wiley Online Library
1