TY JOUR TI ANALYSIS OF THE PROBLEM SITUATION OF MONITORING THE RADIATION SITUATION IN CLOSED ADMINISTRATIVE-TERRITORIAL ENTITIES WITH NUCLEAR INDUSTRY FACILITIES KW emercom KW closed city KW radiation KW radiation control KW ionizing radiation KW gamma radiation KW nuclear industry KW radioecology KW nuclear terrorism KW nuclear weapons JO Siberian Fire and Rescue Bulletin AU Mazanik, A.I. AU Valuev, N.P. AU Sergeev, I.Y. AU Nikolaev, G.A. PY 2020 IS 2020 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia