Насилов, Ж., and Zhumadilov К. “Application of Track Detectors to Measure Radon and Thoron Activity in the Environment: A Review of Methods and Results”. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, vol. 150, no. 1, Mar. 2025, pp. 186-03, doi:10.32523/2616-6836-2025-150-1-186-203.