@article{Hernandez:2017b3,
  author = "Hernandez, Josu  and  Fernandez-Martinez, Enrique  and  Lopez-Pavon, Jocobo",
  title = "{Global constraints on heavy neutrino seesaw mixing}",
  doi = "10.22323/1.282.0489",
  journal = "PoS",
  year = 2017,
  volume = "ICHEP2016",
  pages = "489"
}