@inproceedings{Giommi:2010AQ, author = "Giommi, Paolo and Cavazzuti, Elisabetta and Cutini, Sara and Tramacere, Andrea and Raino', Silvia", title = "{The multi-frequency behaviour of Blazars}", doi = "10.22323/1.096.0040", booktitle = "Proceedings of The Extreme sky: Sampling the Universe above 10 keV {\textemdash} PoS(extremesky2009)", year = 2010, volume = "096", pages = "040" }