Асылбаев, Р. “Study of Temperature Annealing Induced Optical Absorption and Structural Disorder in CaF2 Single Crystals Irradiated With Xe132 Heavy Ions”. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, vol. 149, no. 4, Dec. 2024, pp. 22-35, https://bulphysast.enu.kz/index.php/physast/article/view/378.