PISARSKA, E.; STACHOWIAK, P.; JEźOWSKI, A. Observation of relaxation of molecular spins in CH₄ and CD₄ crystals in thermal conductivity experiment: Classical Cryocrystals. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 33, n. 6-7, p. 768–771, 2007. DOI: 10.1063/1.2755190. Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f33-0768e. Acesso em: 3 трав. 2024.