GRB 111215A: Swift-XRT refined analysis. Beardmore, A. P. ; Evans, P. A. ; Littlejohns, O. M. ; Melandri, A. ; Sbarufatti, B. ; Stratta, G. ; Kennea, J. A. ; Stroh, M. C. ; Burrows, D. N. ; Oates, S. R. Abstract Publication: GRB Coordinates Network Pub Date: 2011 Bibcode: 2011GCN.12692....1B