Final Swift observations of GRB 071020. Holland, S. T. ; Sakamoto, T. ; Beardmore, A. P. ; Norris, J. ; Page, K. L. ; Barthelmy, S. D. ; Burrows, D. N. ; Roming, P. ; Gehrels, N. Abstract Publication: GCN Report Pub Date: 2007 Bibcode: 2007GCNR...94....2H