@inproceedings{Mavromatos:2018i2, author = "Mavromatos, Nikolaos", title = "{Axions, Majorana neutrino masses and implications for the dark sector of the Universe}", doi = "10.22323/1.318.0003", booktitle = "Proceedings of Corfu Summer Institute 2017 "Schools and Workshops on Elementary Particle Physics and Gravity" {\textemdash} PoS(CORFU2017)", year = 2018, volume = "318", pages = "003" }