Redshift solution(s) for GRB101213A from Swift-XRT data. Campana, S. ; Covino, S. ; Cucchiara, A. ; Evans, P. A. ; Grupe, D. ; Malesani, D. ; Sakamoto, T. ; Starling, R. L. C. Abstract Publication: GRB Coordinates Network Pub Date: 2010 Bibcode: 2010GCN.11457....1C