OT GRB 030329: early UBVRcIc spectral evolution. Fatkhullin, T. ; Komarova, V. ; Sokolov, V. ; Kurt, V. ; Cherepashchuk, A. ; Postnov, K. ; Reshetnikov, V. ; Castro-Tirado, A. J. Abstract Publication: GRB Coordinates Network Pub Date: 2003 Bibcode: 2003GCN..2145....1F