GRB 080913: GROND observation of a high-z optical/NIR afterglow candidate. Rossi, A. ; Greiner, J. ; Kruehler, T. ; Yoldas, A. ; Klose, S. ; Yoldas, A. K. Abstract Publication: GRB Coordinates Network Pub Date: 2008 Bibcode: 2008GCN..8218....1R