LUBENETS, S. V.; NATSIK, V. D.; FOMENKO, L. S.; KAUFMANN, H. .-J.; BOBROV, V.; IZOTOV, A. N. Influence of oxygen content and structural defects on low-temperature mechanical properties of high-temperature superconducting single crystals and ceramics. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 23, n. 8, p. 902–908, 1997. DOI: 10.1063/1.593440. Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f23-0902e. Acesso em: 28 бер. 2024.