Kovalishin Aleksey Anatolievich Deputy Head of Department National Research Center Kurchatov Institute Kovalishin_AA@nrcki.ruDevelopment of a criterion to record the facts of fuel carryover from leaking fuel elements during VVER reactor operation 9/16/2020 2020 - #03 Nuclear power plants Evdokimov I.A. Khromov A.G. Kalinichev P.M. Likhanskij V.V. Kovalishin A.A. Laletin M.N.