Long-term monitoring of the X-ray afterglow of GRB 050408 with Swift/XRT M. Capalbi, D. Malesani, M. Perri, P. Giommi, S. Covino, G. Cusumano, V. Mangano, T. Mineo, S. Campana, G. Chincarini et al. (13 more) A&A, 462 3 (2007) 913-918 Published online: 21 November 2006 DOI: 10.1051/0004-6361:20065388