GRB 170131A: Swift-XRT observations. Melandri, A. ; D'Avanzo, P. ; D'Elia, V. ; Sbarufatti, B. ; Burrows, D. N. ; Cholden-Brown, A. ; Mingo, B. ; Beardmore, A. P. ; Evans, P. A. Abstract Publication: GRB Coordinates Network Pub Date: 2017 Bibcode: 2017GCN.20573....1M