Swift Observations of GRB 080613B. Markwardt, C. B. ; Mao, J. ; Landsman, W. ; Guidorzi, C. ; Pasotti, F. ; Page, K. ; Barthelmy, S. D. ; Burrows, D. N. ; Roming, P. ; Gehrels, N. Abstract Publication: GCN Report Pub Date: 2008 Bibcode: 2008GCNR..143....1M