GRB 131030A: NOT redshift. Xu, D. ; Fynbo, J. P. U. ; Jakobsson, P. ; Cano, Z. ; Milvang-Jensen, B. ; Malesani, D. ; de Ugarte Postigo, A. ; Hayes, M. Abstract Publication: GRB Coordinates Network Pub Date: 2013 Bibcode: 2013GCN.15407....1X