Avila-García, A., M. García-Hipólito, and Y. Matsumoto-Kuwabara. “Ac Response to Humidity and Propane of Sprayed Fe-Zn Oxide Films”. Revista Mexicana De Física, vol. 55, no. 4, Jan. 2009, pp. 249-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3686.