Ryzhkov, V., K. Belokon, E. Manidina, and V. Tsymbal. “RADIATION SAFETY IN FERROUS METALLURGY: SCRAP CONTROL, DEFECTOSCOPY, CONTROL INSTRUMENTATOIN, FIRE SENSORS”. Scientific Journal "Metallurgy", no. 2, Feb. 2022, pp. 108-15, doi:10.26661/2071-3789-2021-2-13.