ФНТ E. Proceedings of 6th International Conference on Cryocrystals and Quantum Crystals (CC-2006)
Kharkov, September 3-8, 2006. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 33, n. 6-7, p. 651–652, 2007. DOI: 10.1063/1.2746469. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f33-0651e. Acesso em: 3 трав. 2024.