Theoretical aspects of the Fireball scenario A. Bret, A. Stockem, E. Pérez-Álvaro, F. Fiuza, C. Ruyer, L. Gremillet, R. Narayan and L.O. Silva EAS Publications Series, 61 (2013) 295-299 Published online: 22 July 2013 DOI: 10.1051/eas/1361047