@inproceedings{Lehnert:2021pa,
  author = "Lehnert, Bjoern",
  title = "{Lepton Number Violation and Neutrino Masses}",
  doi = "10.22323/1.390.0027",
  booktitle = "Proceedings of 40th International Conference on High Energy physics {\textemdash} PoS(ICHEP2020)",
  year = 2021,
  volume = "390",
  pages = "027"
}