GRB 140304A: NOT observations and redshift estimate. de Ugarte Postigo, A. ; Gorosabel, J. ; Xu, D. ; Malesani, D. ; Somero, A. ; Milvang-Jensen, B. ; Andersen, M. I. ; Jakobsson, P. ; Fynbo, J. P. U. Abstract Publication: GRB Coordinates Network Pub Date: 2014 Bibcode: 2014GCN.15921....1D