Benedek, G., Kalinin, A., Nieto, P. and Toennies, J. P. (2015) “Vacancy assisted flow of solid helium”, Recent Contributions to Physics, 2015(3), pp. 62–63. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/822 (Accessed: 8 February 2026).