GRB 111020A: Swift detection of a short burst. Sakamoto, T. ; Chester, M. M. ; Cummings, J. R. ; Evans, P. A. ; Guidorzi, C. ; Mangano, V. ; Page, K. L. ; Palmer, D. M. ; Romano, P. Abstract Publication: GRB Coordinates Network Pub Date: 2011 Bibcode: 2011GCN.12460....1S