@article{Simoes:2016ff,
  author = "Simoes, Catarina",
  title = "{Anomaly-free chiral fermion sets and gauge coupling unification}",
  doi = "10.22323/1.234.0583",
  journal = "PoS",
  year = 2016,
  volume = "EPS-HEP2015",
  pages = "583"
}