Content Provider
Cambridge University Press
60
ScienceDirect (Elsevier - via Crossref)
16
JSTOR (via Crossref)
15
Springer Nature (via Crossref)
7
SAGE Publications
6
Informa (via Crossref)
5
ScienceDirect (Elsevier)
5
Wiley Online Library
5
Wiley Online Library (via Crossref)
5
SAGE Publications (via Crossref)
4
Informa
3
Cambridge University Press (via Crossref)
2
Utrecht University Repository
2
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
University of Liège: ORBi (Open Repository and Bibliography)
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1