IPN triangulation of GRB030523 (annulus). Hurley, K. ; Mazets, E. ; Golenetskii, S. ; Cline, T. ; von Kienlin, A. ; Lichti, G. ; Rau, A. Abstract Publication: GRB Coordinates Network Pub Date: 2003 Bibcode: 2003GCN..2248....1H