@article{Bassani:2013KU,
  author = "Bassani, Loredana  and  Molina, Manuela  and  Landi, Raffaella  and  Malizia, Angela  and  Bird, Tony  and  Bazzano, Angela  and  Ubertini, Pietro",
  title = "{Chasing extreme blazars with INTEGRAL}",
  doi = "10.22323/1.176.0068",
  journal = "PoS",
  year = 2013,
  volume = "INTEGRAL 2012",
  pages = "068"
}