Content Provider
Springer Nature (via Crossref)
280
University of Chicago Press (via Crossref)
113
University of Chicago Press
65
University of St Andrews: Digital Research Repository
4
The University of Queensland: UQ eSpace
3
Wiley Online Library
3
Unknown
2
Wiley Online Library (via Crossref)
2
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
University of Stirling: Stirling Digital Research Repository
1