@article{Kokkas:2016DR,
  author = "Kokkas, Panagiotis",
  title = "{PDF constraints and alpha_s from CMS}",
  doi = "10.22323/1.234.0496",
  journal = "PoS",
  year = 2016,
  volume = "EPS-HEP2015",
  pages = "496"
}