@article{Hardy:2017G0,
  author = "Hardy, John  and  Towner, I.S.",
  title = "{$|V_{ud}|$ from nuclear $\beta$ decays }",
  doi = "10.22323/1.291.0028",
  journal = "PoS",
  year = 2017,
  volume = "CKM2016",
  pages = "028"
}