NEUTRON FIELD MOCK-UP DEVELOPMENT FOR THE FLUORIDE SALT REACTORS NEUTRONIC RESEARCHEvžen Losa, Michal Košťál, Tomáš Czakoj, Jan Šimon, Nicola Burianová, Vlastimil Juříček and Vojtěch RyparEPJ Web Conf., 247 (2021) 08013DOI: https://doi.org/10.1051/epjconf/202124708013