@article{Bertram:20132N,
  author = "Bertram, Iain",
  title = "{An improved measurement of direct CP violation parameters in B± \rightarrow  J/\psi  K± and B± \rightarrow  J/\psi  \pi ± Decays}",
  doi = "10.22323/1.190.0009",
  journal = "PoS",
  year = 2013,
  volume = "Beauty 2013",
  pages = "009"
}