@article{Leyko:2013sM,
  author = "Leyko, Agnieszka",
  title = "{Measuring the b-jet tagging efficiency using top quark pairs events with ATLAS data}",
  doi = "10.22323/1.174.0521",
  journal = "PoS",
  year = 2013,
  volume = "ICHEP2012",
  pages = "521"
}