@inproceedings{Barriere:2009+1, author = "Barriere, Nicolas and Natalucci, Lorenzo and Ubertini, Pietro", title = "{The Gamma Ray Imager}", doi = "10.22323/1.078.0019", booktitle = "Proceedings of Polarimetry days in Rome: Crab status, theory and prospects {\textemdash} PoS(CRAB2008)", year = 2009, volume = "078", pages = "019" }