The Amati relation in the “fireshell” model R. Guida, M. G. Bernardini, C. L. Bianco, L. Caito, M. G. Dainotti and R. Ruffini A&A, 487 2 (2008) L37-L40 Published online: 09 July 2008 DOI: 10.1051/0004-6361:200810338