IZQUIERDO, J. I. Morphological properties of new mixed-valance Cobalt Oxide YBaCo4O7+. Revista CINTEX, [S. l.], v. 17, p. 76–78, 2012. Disponível em: https://revistas.pascualbravo.edu.co/index.php/cintex/article/view/69. Acesso em: 28 mar. 2024.