@InProceedings{Brott:2005,
  author      = "I. Brott and I. Kreykenbohm and P. Lubiński and N. Produit and P. Hauschildt and T. Courvoisier",
  title       = "A deep study of the 3C 273 field in \gamma-rays",
  booktitle   = "Proceedings Populations of High Energy Sources in Galaxies IAU",
  address     = "Dublin, Irlandia",
  publisher   = "New York, Cambridge University Press",
  volume      = "Proceedings IAU Symposium, no. 230",
  pages       = "119--120",
  year        = "2005",
}