M. Reyes-Reyes, J. Reyes-Gasga, J.-W. Park, and Y.-K. Lee, “Study and Characterization of the Substrate and Thin Film of the ZxQ2-N2QJk\2Q2 Solid Oxide Fuel Cells”, acta, vol. 8, no. 1, pp. 48-50, Jun. 1999.