Theoretical Interpretation of GRB 031203 and URCA-3
  We present an analysis of the late time X-ray emission (URCA-3) connected with GRB 031203 and SN 2003lw. 
Remo Ruffini, Maria Grazia Bernardini, Carlo Luciano Bianco, Pascal   Chardonnet, Federico Fraschetti, She-Sheng Xue