TY JOUR TI THE KRASNOYARSK REGION MINERAL SOURCES RADIATION SAFETY FOR FARM ANIMALS KW vermiculite KW oxidized brown coal KW belite sludge KW radionuclides KW potassium-40 KW radium-226 KW thorium-232 JO Bulletin of KSAU AU Tyurina, L.E. AU Fedotova, A.S. PY 2022 IS 0 PB Krasnoyarsk State Agrarian University