239Pu nuclear data improvements in thermal and epithermal neutron ranges D. Bernard, E. Fort, A. Courcelle, A. Santamarina, G. Noguere, O. Litaize and C. Vaglio-GaudardInternational Conference on Nuclear Data for Science and Technology, (2007) 869-872DOI: https://doi.org/10.1051/ndata:07708