Pelmenev A, Bykhalo I, Krushinskaya I, Boltnev R. Studies of charging mechanisms in impurity-helium condensates by means of impedance spectroscopy and current spectroscopy. Fiz. Nizk. Temp. [інтернет]. 21, Січень 2019 [цит. за 20, Червень 2025];45(3):318-24. доступний у: http://80.92.230.95/index.php/fnt/article/view/f45-0318e