@inproceedings{Grinberg:2013+c,
author = "Grinberg, Victoria",
title = "{Cygnus X-1: shedding light on the spectral variability of a black hole}",
doi = "10.22323/1.176.0050",
booktitle = "Proceedings of An INTEGRAL view of the high-energy sky (the first 10 years) - 9th INTEGRAL Workshop and celebration of the 10th anniversary of the launch {\textemdash} PoS(INTEGRAL 2012)",
year = 2013,
volume = "176",
pages = "050"
}