@article{Heinz:2007Qd,
  author = "Heinz, Ulrich  and  Kestin, Gregory",
  title = "{Universal chemical freeze-out as a signature of a phase transition}",
  doi = "10.22323/1.029.0038",
  journal = "PoS",
  year = 2007,
  volume = "CPOD2006",
  pages = "038"
}