GRB 150213B: Swift-XRT refined Analysis. Osborne, J. P. ; Page, K. L. ; Maselli, A. ; Melandri, A. ; D'Avanzo, P. ; Burrows, D. N. ; Kennea, J. A. ; Sbarufatti, B. ; Pagani, C. Abstract Publication: GRB Coordinates Network Pub Date: 2015 Bibcode: 2015GCN.17469....1O