DMITRIEV, . V. . . M.; SOLOVYEV, . A. . . L. Energy gap and features of HTSC conductivity. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 16, n. 5, p. 650–652, 1990. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f16-0650e. Acesso em: 4 трав. 2024.