Kokshenev VB. To the problem of observation of two-level tunneling states in supercooled liquids, glass-forming polymers, orientational glasses, and metallic glasses via configurational entropy. Fiz. Nizk. Temp. [інтернет]. 04, Березень 2009 [цит. за 10, Листопад 2025];35(4):371-5. доступний у: http://80.92.230.95/index.php/fnt/article/view/f35-0371e