@inproceedings{Eckstein:2016KU,
  author = "Eckstein, Michal  and  Franco, Nicolas",
  title = "{Causal structure for noncommutative geometry}",
  doi = "10.22323/1.224.0138",
  booktitle = "Proceedings of Frontiers of Fundamental Physics 14 {\textemdash} PoS(FFP14)",
  year = 2016,
  volume = "224",
  pages = "138"
}