GRB 100206A, RIMOTS optical upper limits. Noda, K. ; Sonoda, E. ; Hayasi, H. ; Kono, K. ; Ohmori, N. ; Daikyuji, A. ; Nisioka, Y. ; Yamauchi, M. Abstract Publication: GRB Coordinates Network Pub Date: 2010 Bibcode: 2010GCN.10385....1N