@article{Ziolkowski:20112S,
  author = "Ziolkowski, Janusz",
  title = "{On the Apparent Lack of Be X-ray Binaries with Black Holes in the Galaxy and in the Magellanic Clouds}",
  doi = "10.22323/1.115.0151",
  journal = "PoS",
  year = 2011,
  volume = "INTEGRAL 2010",
  pages = "151"
}