@inproceedings{Bach:20194Y,
  author = "Bach, Uwe  and  Boccardi, Biagina  and  Krichbaum, Thomas  and  Lobanov, Andrei",
  title = "{Does Cygnus A harbor a binary super-massive black hole?}",
  doi = "10.22323/1.344.0007",
  booktitle = "Proceedings of 14th European VLBI Network Symposium & Users Meeting {\textemdash} PoS(EVN2018)",
  year = 2019,
  volume = "344",
  pages = "007"
}