@inproceedings{Ferreira:2000ze,
  author = "Ferreira, Pedro",
  title = "{Charge and colour breaking bounds revisited}",
  doi = "10.22323/1.004.0017",
  booktitle = "Proceedings of Quantum aspects of gauge theories, supersymmetry and unification {\textemdash} PoS(tmr99)",
  year = 2000,
  volume = "004",
  pages = "017"
}