BALKASHIN, O. P. K. I. O.; YANSON, I. K. Superconducting oxide point contacts in the high frequency field. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 16, n. 5, p. 661–661, 1990. Disponível em: http://80.92.230.95/index.php/fnt/article/view/f16-0661ea. Acesso em: 11 лис. 2025.