GRB 050504 : R band observation at Lulin observatory. Sanchawala, K. ; Wu, Y. L. ; Huang, K. Y. ; Ip, W. H. ; Urata, Y. ; Qiu, Y. ; Lou, Y. Q. Abstract Publication: GRB Coordinates Network Pub Date: 2005 Bibcode: 2005GCN..3354....1S