Cheng, Jihai, and Changan Tian. “Synthesis and Electrochemical Properties of BaCe0.8Gd0.2O3 Protonic Conductor”. Asian Journal of Chemistry 24, no. 9 (May 11, 2012): 4068–4070. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/9546.