Content Provider
eCite UTAS (University of Tasmania)
57
ScienceDirect (Elsevier - via Crossref)
54
Cambridge University Press
28
DataCite Metadata Store (German National Library of Science and Technology)
18
Directory of Open Access Journals: DOAJ Articles
16
SAGE Publications (via Crossref)
6
De Gruyter (via Crossref)
5
ScienceDirect (Elsevier)
5
Springer Nature (via Crossref)
4
The University of Queensland: UQ eSpace
3
Lund University Publications (LUP)
2
Oxford University Press
2
SAGE Publications
2
Sciendo (de Gruyter - via CrossRef)
2
University of California: eScholarship
2
Utrecht University Repository
2
Wiley Online Library
2
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
De Gruyter
1
Informa
1
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
Oxford University Press (via Crossref)
1
The University of Waikato: Research Commons
1
University of California Press (via Crossref)
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Università degli Studi di Genova: CINECA IRIS
1
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
1
Università degli Studi di Siena: USiena air
1
Wiley Online Library (via Crossref)
1