@inproceedings{Bonechi:2013it,
  author = "Bonechi, Francesco",
  title = "{The modular class as a quantization invariant: a study case}",
  doi = "10.22323/1.175.0003",
  booktitle = "Proceedings of 7th International Conference on Mathematical Methods in Physics {\textemdash} PoS(ICMP 2012)",
  year = 2013,
  volume = "175",
  pages = "003"
}