IRA-INAF

发表

R. Morganti, Groningen, K. Institute, 2006, astro-ph/0607137.

Granada, Spain., Italy., 2010, 1012.4744.

R. Morganti, Groningen, K. Institute, 2006, astro-ph/0607137.

Bologna, M. Orienti, D. Dallacasa, 2007, 0708.3979.

Iac, D. A. D. Bologna, Bologna, 2008, 0806.4831.

Catania, Italy., C. Catania, 2005, astro-ph/0505617.