GRB 110402A: Mitsume okayama and ishigakijima optical upper limits. Kuroda, D. ; Hanayama, H. ; Yanagisawa, K. ; Shimizu, Y. ; Toda, H. ; Miyaji, J. ; Watanabe, T. ; Nagayama, S. ; Yoshida, M. ; Ohta, K. ; Kawai, N. Abstract Publication: GRB Coordinates Network Pub Date: 2011 Bibcode: 2011GCN.11873....1K