Swift-BAT trigger 421695 is likely not astrophysical. Sbarufatti, B. ; Margutti, R. ; Barthelmy, S. D. ; Cummings, J. R. ; Gehrels, N. ; Holland, S. T. ; Krimm, H. A. Abstract Publication: GRB Coordinates Network Pub Date: 2010 Bibcode: 2010GCN.10742....1S