@inproceedings{Nardi:20007g,
  author = "Nardi, Enrico",
  title = "{Horizontal $U(1)_H$ symmetry: a non-anomalous model}",
  doi = "10.22323/1.005.0023",
  booktitle = "Proceedings of Third Latin American Symposium on High Energy Physics {\textemdash} PoS(silafae-III)",
  year = 2000,
  volume = "005",
  pages = "023"
}