Bautista Ruiz, Jorge Hernando, and César Armando Ortiz Otálora. “Anticorrosive evaluation of Sio2-Tio2-Zro2 ceramic trilayers synthesized by the Sol-Gel method”. Revista Facultad de Ingeniería, vol. 16, no. 22, June 2009, pp. 43-48, https://revistas.uptc.edu.co/index.php/ingenieria/article/view/1339.