GRB 170912A: Swift detection of a burst. Tohuvavohu, A. ; Burrows, D. N. ; Gronwall, C. ; Lien, A. Y. ; Palmer, D. M. ; Sbarufatti, B. ; Siegel, M. H. Abstract Publication: GRB Coordinates Network Pub Date: 2017 Bibcode: 2017GCN.21861....1T