Yan, Zong-lan, and Jun Shi. “Effect of Preparation Methods on Structure, Redox Properties and CO Oxidation of Ce0.9Pr0.1O2-D Mixed Oxides”. Asian Journal of Chemistry, vol. 24, no. 3, Dec. 2011, pp. 1038-40, https://asianpubs.org/index.php/ajchem/article/view/8704.