@inproceedings{PIOTROWSKI:2012Tf,
  author = "PIOTROWSKI, Lech Wiktor",
  title = "{Constraints on the optical precursor to the naked-eye burst GRB080319B from 'Pi of the Sky' observations}",
  doi = "10.22323/1.152.0053",
  booktitle = "Proceedings of Gamma-Ray Bursts 2012 Conference {\textemdash} PoS(GRB 2012)",
  year = 2012,
  volume = "152",
  pages = "053"
}