STUDY OF SUBSTITUTING IN Bi - CONTAINING HIGH-TEMPERATURE SUPERCONDUCTING CERAMICS: UDC 546. 87’42’56. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 48, n. 1, p. 4–5, 2010. Disponível em: https://chemistry.bulletin.knu.ua/article/view/8299. Acesso em: 14 feb. 2026.