GRB 071031: Swift detection of a burst with an optical counterpart. Stroh, M. C. ; Gronwall, C. ; Grupe, D. ; Holland, S. T. ; Kennea, J. A. ; Krimm, H. A. ; Pagani, C. ; Palmer, D. M. ; Stamatikos, M. ; Starling, R. L. C. ; Ukwatta, T. N. ; Vetere, L. Abstract Publication: GRB Coordinates Network Pub Date: 2007 Bibcode: 2007GCN..7020....1S