ZADOROZHKO, A.; CHAGOVETS, V.; RUDAVSKII, E.; SHESHIN, G.; KEKUTIA, S.; CHKHAIDZE, N.; MULDERS, N. The features of the collective modes in aerogels filled with superfluid helium. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 35, n. 10, p. 962–967, 2009. DOI: 10.1063/1.3253393. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f35-0962e. Acesso em: 22 груд. 2024.