GRB 130907A: Swift-XRT refined analysis. Burrows, D. N. ; Kennea, J. A. ; Evans, P. A. ; Gompertz, B. P. ; Osborne, J. P. ; D'Elia, V. ; Maselli, A. ; Melandri, A. ; Mangano, V. ; Page, M. J. Abstract Publication: GRB Coordinates Network Pub Date: 2013 Bibcode: 2013GCN.15199....1B