GANSHIN, A.; GRIGOR`EV, V.; MAIDANOV, V.; MIKHIN, N.; PENZEV, A.; POLEV, A.; RUDAVSKII, E.; RYBALKO, A. Properties of solid ³He inclusions embedded in crystalline ⁴He matrix at ultralow temperatures: Low-Temperature Physics and Chemistry in Cryomatrice. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 26, n. 9-10, p. 884–888, 2000. DOI: 10.1063/1.1312390. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f26-0884e. Acesso em: 3 трав. 2024.