@inproceedings{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", booktitle = "Proceedings of 8th INTEGRAL Workshop “The Restless Gamma-ray Universe” {\textemdash} PoS(INTEGRAL 2010)", year = 2011, volume = "115", pages = "151" }