Content Provider
ScienceDirect (Elsevier)
180
ScienceDirect (Elsevier - via Crossref)
99
Springer Nature (via Crossref)
78
Cambridge University Press
52
Informa (via Crossref)
47
Canadian Science Publishing (via Crossref)
46
Frontiers (Publisher)
24
Canadian Science Publishing
16
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
16
Informa
11
SAGE Publications (via Crossref)
10
SAGE Publications
3
IEEE Publications
2
Sciendo (de Gruyter - via CrossRef)
2
Université de Lausanne (UNIL): Serval - Serveur académique lausannois
2
Utrecht University Repository
2
Aberdeen University Research Archive (AURA)
1
Caltech Authors (California Institute of Technology)
1
Cambridge University Press (via Crossref)
1
De Gruyter
1
De Gruyter (via Crossref)
1
Hans Publishers
1
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
University of Nottingham: Repository@Nottingham
1
University of Vienna: Phaidra
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1