HALEY, R. P.; ADAMS, E. D. Melting of ³ He in a phase-separated solid ³He - ⁴He mixture. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 23, n. 5-6, p. 615–618, 1997. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f23-0615e. Acesso em: 10 лис. 2025.