A case study of dark GRB 051008 A. Volnova, A. Pozanenko, J. Gorosabel, D. Perley, D. A. Kann, D. Frederiks, V. Rumyantsev, A. J. Castro-Tirado and P. Minaev EAS Publications Series, 61 (2013) 275-278 Published online: 22 July 2013 DOI: 10.1051/eas/1361044