@article{Vitale:2011Nz,
  author = "Vitale, Patrizia",
  title = "{A field-theoretic approach to Spin Foam models in Quantum Gravity}",
  doi = "10.22323/1.127.0032",
  journal = "PoS",
  year = 2011,
  volume = "CNCFG2010",
  pages = "032"
}