GRB 091109B: VLT afterglow confirmation. Malesani, D. ; de Ugarte Postigo, A. ; Levan, A. J. ; Tanvir, N. R. ; Hjorth, J. ; D'Avanzo, P. Abstract Publication: GRB Coordinates Network Pub Date: 2009 Bibcode: 2009GCN.10156....1M