The Early-Time Optical Properties of Gamma-Ray Burst Afterglows

A. Melandri, C.G. Mundell, S. Kobayashi, C. Guidorzi, A. Gomboc, I.A. Steele, R.J. Smith, D. Bersier, C.J. Mottram, D. Carter, M.F. Bode, P.T. O'Brien, N. Tanvir, E. Rol, R. Chapman