From fission yield measurements to evaluation: status on statistical methodology for the covariance questionBrieuc Voirin, Grégoire Kessedjian, Abdelaziz Chebboubi, Sylvain Julien-Laferrière and Olivier SerotEPJ Nuclear Sci. Technol., 4 (2018) 26DOI: https://doi.org/10.1051/epjn/2018030