@article{Bluemlein:2014XP,
  author = "Bluemlein, Johannes  and  Marquard, Peter  and  Riemann, Tord",
  title = "{Preface}",
  doi = "10.22323/1.211.0081",
  journal = "PoS",
  year = 2014,
  volume = "LL2014",
  pages = "081"
}