GRB 040924, optical follow-up. Perez-Ramirez, D. ; Tristram, P. ; Gorosabel, J. ; Jelinek, M. ; Okada, C. ; Yock, P. ; de Ugarte Postigo, A. ; Guziy, S. ; Castro-Tirado, A. J. Abstract Publication: GRB Coordinates Network Pub Date: 2004 Bibcode: 2004GCN..2739....1P