Zheng, Shu, Hong-Xia Guo, and Feng-Chun Jia. “Catalytic Combustion of Methane over CuO ZrO2-Al2O3 Catalysts Modified by MxOy (M = Y, Cr, Mg, Ce)”. Asian Journal of Chemistry 25, no. 7 (February 5, 2013): 4094–4098. Accessed July 20, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_7_124.