GRB 031203: discovery of a dust echo. Vaughan, S. ; Willingale, R. ; O'Brien, P. T. ; Osborne, J. ; Levan, A. ; Tedds, J. ; Roberts, T. ; Watson, M. ; Watson, D. Abstract Publication: GRB Coordinates Network Pub Date: 2003 Bibcode: 2003GCN..2489....1V