Estimation of Covariances on Prompt Fission Neutron Spectra and Impact of the PFNS Model on the Vessel FluenceLéonie Berge, Olivier Litaize, Olivier Serot, Pascal Archier, Cyrille De Saint Jean, Yannick Pénéliau and David RegnierEPJ Web of Conferences, 106 (2016) 04012DOI: https://doi.org/10.1051/epjconf/201610604012