GRB 991105, optical observations. Castro-Tirado, A. ; Gorosabel, J. ; Sanchez-Fernandez, C. ; Kilmartin, P. ; Hearnshaw, J. ; Bond, I. ; Rattembury, N. ; Yock, P. ; Ohnishi, K. ; Feroci, M. Abstract Publication: GRB Coordinates Network Pub Date: 1999 Bibcode: 1999GCN...439....1C