GVOZDIKOV, V. M. A crossover in the temperature behavior of the perpendicular upper critical magnetic field of layered superconductors and thin films. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 25, n. 12, p. 1251–1258, 1999. Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f25-1251e. Acesso em: 3 трав. 2024.