Content Provider
ScienceDirect (Elsevier)
13
ScienceDirect (Elsevier - via Crossref)
9
Stockholm University Press (via Crossref)
6
Wiley Online Library
6
Stockholm University Press
5
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
3
Springer Nature (via Crossref)
2
University of Hertfordshire: UH Research Archive
2
Utrecht University Repository
2
ACS Publications (via Crossref)
1
IRIS Università degli Studi di Perugia
1
Schweizerbart Science Publishers (via Crossref)
1
Wiley Online Library (via Crossref)
1