GRB 140606A: BOOTES-2 optical upper limit. Jelinek, M. ; Cunniffe, R. ; Gonzalez-Rodriguez, A. ; Jeong, S. ; Lara-Gil, O. ; Oates, S. R. ; Tello, J. C. ; Gorosabel, J. ; Castro-Tirado, A. J. Abstract Publication: GRB Coordinates Network Pub Date: 2014 Bibcode: 2014GCN.16361....1J