@inproceedings{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", booktitle = "Proceedings of 38th International Conference on High Energy Physics {\textemdash} PoS(ICHEP2016)", year = 2017, volume = "282", pages = "489" }