@inproceedings{Romero:2011Rr, author = "Romero, Gustavo E.", title = "{Gamma-ray flares from black hole coronae}", doi = "10.22323/1.123.0174", booktitle = "Proceedings of 25th Texas Symposium on Relativistic Astrophysics {\textemdash} PoS(Texas 2010)", year = 2011, volume = "123", pages = "174" }