@article{Francia:2004ON,
  author = "Francia, Dario  and  Sagnotti, Augusto",
  title = "{On the Geometry of Higher Spin Gauge Fields}",
  doi = "10.22323/1.011.0005",
  journal = "PoS",
  year = 2004,
  volume = "jhw2003",
  pages = "005"
}