GRB 091010: optical afterglow candidate rejection. Guidorzi, C. ; Melandri, A. ; Mundell, C. G. ; Bersier, D. ; Cano, Z. ; Clay, N. R. ; Kobayashi, S. ; Mottram, C. J. ; Smith, R. J. ; Steele, I. A. ; Gomboc, A. ; Tanvir, N. R. Abstract Publication: GRB Coordinates Network Pub Date: 2009 Bibcode: 2009GCN.10027....1G