GRB 050502b : optical observation at Lulin observatory. Sanchawala, K. ; Wu, W. L. ; Huang, K. Y. ; Ip, W. H. ; Qiu, Y. ; Zhou, W. ; Lou, Y. Q. ; Urata, Y. Abstract Publication: GRB Coordinates Network Pub Date: 2005 Bibcode: 2005GCN..3334....1S