Benedek G, Kalinin A, Nieto P, Toennies JP. Vacancy assisted flow of solid helium. Rec.Contr.Phys. [Internet]. 2015 Jan. 21 [cited 2026 Feb. 24];50(3):62-3. Available from: https://bph.kaznu.kz/index.php/zhuzhu/article/view/822