@article{Evans:2009vR,
  author = "Evans, Richard",
  title = "{A determination of the $B_s^0$ and $B_d^0$ mixing matrix elements using 2+1 lattice QCD }",
  doi = "10.22323/1.066.0052",
  journal = "PoS",
  year = 2009,
  volume = "LATTICE 2008",
  pages = "052"
}