@article{Beckmann:2013P6,
  author = "Beckmann, Volker  and  SHRADER, Chris",
  title = "{The AGN phenomenon: open issues}",
  doi = "10.22323/1.176.0069",
  journal = "PoS",
  year = 2013,
  volume = "INTEGRAL 2012",
  pages = "069"
}