@article{Meusburger:2012JJ,
  author = "Meusburger, Catherine  and  Schönfeld, Torsten",
  title = "{Gauge fixing in (2+1)-gravity with vanishing cosmological constant}",
  doi = "10.22323/1.155.0051",
  journal = "PoS",
  year = 2012,
  volume = "CORFU2011",
  pages = "051"
}