Short-duration GRB 090621: Skynet/Dolomiti observations. Haislip, J. ; Reichart, D. ; Maturi, M. ; Ivarsen, K. ; Lacluyze, A. ; Foster, A. ; Moore, J. ; Oza, A. ; Schubel, M. ; Styblova, J. ; Trotter, A. ; Crain, J. A. ; Nysewander, M. Abstract Publication: GRB Coordinates Network Pub Date: 2009 Bibcode: 2009GCN.10001....1H