@article{Knuenz:2013tn,
  author = "Knuenz, Valentin",
  title = "{Measurements of Y(nS) polarization with the CMS experiment}",
  doi = "10.22323/1.174.0309",
  journal = "PoS",
  year = 2013,
  volume = "ICHEP2012",
  pages = "309"
}