@article{LaRuffa:2017oL,
  author = "La Ruffa, Francesco",
  title = "{Calibration of the ATLAS $b$-tagging algorithm in $t\bar{t}$ events with high multiplicity of jets}",
  doi = "10.22323/1.314.0739",
  journal = "PoS",
  year = 2017,
  volume = "EPS-HEP2017",
  pages = "739"
}