@inproceedings{Beckmann:2010I5,
  author = "Beckmann, Volker",
  title = "{Lessons learnt from INTEGRAL AGN}",
  doi = "10.22323/1.096.0038",
  booktitle = "Proceedings of The Extreme sky: Sampling the Universe above 10 keV {\textemdash} PoS(extremesky2009)",
  year = 2010,
  volume = "096",
  pages = "038"
}