SHVETS, V.T.; KOZYTS’KYI, S.V.; SHVETS, T.V. On Some Helium Metallization Parameters. Ukrainian Journal of Physics, [S. l.], v. 57, n. 1, p. 35, 2012. DOI: 10.15407/ujpe57.1.35. Disponível em: https://ujp.bitp.kiev.ua/index.php/ukl/article/view/2021361. Acesso em: 24 apr. 2025.