Jordán H., Rafael, et al. “Study of the Thermal Transformations in the Elaboration of a Soda–lime Glass for Containers With Cuban Natural Zeolit”. Ingeniería Y Ciencia, vol. 3, no. 6, Dec. 2007, pp. 91-105, https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/2401.