Content Provider
Springer Nature (via Crossref)
10
ScienceDirect (Elsevier - via Crossref)
8
DataCite
2
Utrecht University Repository
2
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Informa (via Crossref)
1
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
The University of Queensland: UQ eSpace
1
Universidad de Chile: Repositorio académico
1
Università Politecnica delle Marche: IRIS
1