@article{Bazterra:2009M8,
  author = "Bazterra, Eduardo Victor  and  Speer, Thomas",
  title = "{Strategies for btagging calibration using data at CMS}",
  doi = "10.22323/1.070.0088",
  journal = "PoS",
  year = 2009,
  volume = "ACAT08",
  pages = "088"
}