@inproceedings{Leung:20019o,
  author = "Leung, Chung Ngoc",
  title = "{Effective neutrino mass operators and their applications  }",
  doi = "10.22323/1.007.0196",
  booktitle = "Proceedings of International Europhysics Conference on High Energy Physics {\textemdash} PoS(hep2001)",
  year = 2001,
  volume = "007",
  pages = "196"
}