Shvets В.Т., Kozyts’kyi С.В., and Shvets Т.В. “On Some Helium Metallization Parameters”. Ukrainian Journal of Physics 57, no. 1 (January 30, 2012): 35. Accessed November 23, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021361.