@inproceedings{Visser:2009c0,
  author = "Visser, Matt  and  Barcelo, Carlos  and  Liberati, Stefano  and  Sonego, Sebastiano",
  title = "{Small, dark, and heavy: But is it a black hole?}",
  doi = "10.22323/1.075.0010",
  booktitle = "Proceedings of Black Holes in General Relativity and String Theory {\textemdash} PoS(BHs, GR and Strings)",
  year = 2009,
  volume = "075",
  pages = "010"
}