@article{Spallicci:20168q,
  author = "Spallicci, Alessandro",
  title = "{Solar wind test of the de Broglie-Proca's massive photon with Cluster multi-spacecraft data}",
  doi = "10.22323/1.224.0199",
  journal = "PoS",
  year = 2016,
  volume = "FFP14",
  pages = "199"
}