GRB 120703A: Swift detection of a bright burst with an optical afterglow. Zhang, B. -B. ; Barthelmy, S. D. ; Baumgartner, W. H. ; Burrows, D. N. ; Chester, M. M. ; Gehrels, N. ; Grupe, D. ; Marshall, F. E. ; Palmer, D. M. ; Racusin, J. L. ; Ukwatta, T. N. Abstract Publication: GRB Coordinates Network Pub Date: 2012 Bibcode: 2012GCN.13408....1Z